Three forces acting on an object are given by

F$1=(1\mathrm{.}95+6\mathrm{.}75)$ N$,$

F$2=(4\mathrm{.}902\mathrm{.}15)$ N$,$

and

F$3=(43\mathrm{.}5)$ N$.$

The object experiences an acceleration of magnitude $3\mathrm{.}55$ m$/$s$2.$ What is the direction of the acceleration?