Not answering your question directly but, depending on why and how you are using org tables for monetary calculations, you may wish to look at ledger [1]. There is support in org for ledger via babel (ob-ledger.el, distributed with org).
HTH, eric Footnotes: [1] https://www.ledger-cli.org/ -- : Eric S Fraga via Emacs 28.0.50, Org release_9.4-18-gaea110