$*$Please help solve in Excel

You need a $20-$year, fixed$-$rate mortgage to buy a new home for $$180,000.$ Your mortgage bank will lend you the money at a $7\mathrm{.}1$ percent APR for this $240-$month loan. However, you can afford monthly payments of only $$950,$ so you offer to pay off any remaining loan balance at the end of the loan in the form of a single balloon payment.

How large will this balloon payment have to be for you to keep your monthly payments at $$950?$

Multiple Choice

$$43,183\mathrm{.}42$

$$233,420\mathrm{.}07$

$$250,264\mathrm{.}82$

$$240,639\mathrm{.}25$

$$58,409\mathrm{.}78$