In the market:

Spot: USD$/$CHF $=1,5642/42.1,5742$Sforward$-3$ months

USD$/$CHF $=1,5856/87$

Interest rate forward $3$ months$($yearly quoted$).$

USD: $4,1254\mathrm{.}5$ CHF: $77,5$

Mr X has the amount of $1\mathrm{.}500\mathrm{.}000$ CHF$,$ how to do forward transaction?