Solve the Proportion $$\frac { 8 } { 7 } = \frac { 168 } { x }$$

Multiple Choice

Solve the proportion. $$\frac { 8 } { 7 } = \frac { 168 } { x }$$

A) $\{ 1176 \}$
B) $\{ 147 \}$
C) $\left\{ \frac { 1 } { 21 } \right\}$
D) $\{ 49 \}$