How is step $2$ found $,$ the numbers dont make sense${}_{F_x}=(0\mathrm{.}333)+(-0\mathrm{.}333)+(0)=0|F_{AB}||=F_{CB}$

${\displaystyle \underset{F_Y}{\overset{?}{}}}=(0\mathrm{.}667)+(0\mathrm{.}667)+(-0\mathrm{.}923)=0+F_{DB}^B=1\mathrm{.}445F_{AB}$

review

${\displaystyle \underset{?}{\overset{?}{}}}{F}_2=(0\mathrm{.}667)+(0\mathrm{.}667)+(-0\mathrm{.}385)-2452\mathrm{.}5=00\mathrm{.}7F_{AB}=2452\mathrm{.}5Nor{F}_{AB}=3156\mathrm{.}377N$