Finding the Fourth Proportional to 16,086.56, 24,123.92 and 5,553.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.56 : 24,123.92 = 5,553.90 : x
2. Step 2: Convert to fraction form
   16,086.56/24,123.92 = 5,553.90/x
3. Step 3: Cross multiply
   16,086.56x = 24,123.92 × 5,553.90
4. Step 4: Simplify right side
   16,086.56x = 133,981,811.52
5. Step 5: Solve for x
   x = 133,981,811.52/16,086.56
6. Step 6: Final answer
   x = 8,328.81