Solve Using the Multiplication Principle $$- \frac { 3 } { 4 } x = 9.12$$

Solve using the multiplication principle.
- $$- \frac { 3 } { 4 } x = 9.12$$

A) $- 12.16$
B) $- 8.96$
C) $- 9.16$
D) $- 5.12$