Finding the Fourth Proportional to 33,100.72, 49,640.55 and 10,909.96

Step by Step Solution

1. Step 1: Write the proportion equation
   33,100.72 : 49,640.55 = 10,909.96 : x
2. Step 2: Convert to fraction form
   33,100.72/49,640.55 = 10,909.96/x
3. Step 3: Cross multiply
   33,100.72x = 49,640.55 × 10,909.96
4. Step 4: Simplify right side
   33,100.72x = 541,576,249.86
5. Step 5: Solve for x
   x = 541,576,249.86/33,100.72
6. Step 6: Final answer
   x = 16,361.47