Trying to agree a settlement

Hi can anyone advise how to get a financial settlement agreed when one party will not negotiate.
From day one stb Ex has stated she wants X X and X and will not deviate from this at all.
Several proposals have gone back and forth yet ex refuses to compromise in any shape or form. Each offer comes back the same albeit slightly differently worded.
Last proposal from me sent to her sol approx 5 weeks ago, and still no response.
FDR is very soon, i really had hoped to resolve matters prior to this
Stbx is using a sol, therefore incurring huge costs and i am self repping. The amount she will end up paying in legal fees if it goes to final hearing will end up being more than the available pot to share.Don''t understand the logic at all.

Look, I''ve said this before to other posters.

When you are confronted by a former spouse who will not discuss anything, will not engage with the process, will not agree to mediation, you are stymied, snookered, banjaxed, and you should not waste money and effort trying to negotiate with someone whose mind is closed.

Get the matter before a judge as soon as you can,

LMM

Thank you for the answer LMM
The thing that is concerning me at the moment is the judge at first hearing said she expected proposals to go back and forth to each party prior to the next hearing.
Will the judge be annoyed that only one proposal has been put to her and she has not responded?
There really is not point in my keep offering different proposals if she is not going to respond to any of them.
FDR is in a matter of weeks and it will be heard by the same judge i had at first hearing.

Thank you