Finding the Fourth Proportional to 11,105.52, 16,658.16 and 7,414.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,105.52 : 16,658.16 = 7,414.92 : x
2. Step 2: Convert to fraction form
   11,105.52/16,658.16 = 7,414.92/x
3. Step 3: Cross multiply
   11,105.52x = 16,658.16 × 7,414.92
4. Step 4: Simplify right side
   11,105.52x = 123,518,923.75
5. Step 5: Solve for x
   x = 123,518,923.75/11,105.52
6. Step 6: Final answer
   x = 11,122.30