Finding the Fourth Proportional to 33,736.92, 50,607.81 and 12,960.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,736.92 : 50,607.81 = 12,960.42 : x
2. Step 2: Convert to fraction form
   33,736.92/50,607.81 = 12,960.42/x
3. Step 3: Cross multiply
   33,736.92x = 50,607.81 × 12,960.42
4. Step 4: Simplify right side
   33,736.92x = 655,898,472.88
5. Step 5: Solve for x
   x = 655,898,472.88/33,736.92
6. Step 6: Final answer
   x = 19,441.56