Finding the Fourth Proportional to 14,789.18, 20,404.17 and 9,755.90

Step by Step Solution

1. Step 1: Write the proportion equation
   14,789.18 : 20,404.17 = 9,755.90 : x
2. Step 2: Convert to fraction form
   14,789.18/20,404.17 = 9,755.90/x
3. Step 3: Cross multiply
   14,789.18x = 20,404.17 × 9,755.90
4. Step 4: Simplify right side
   14,789.18x = 199,061,042.10
5. Step 5: Solve for x
   x = 199,061,042.10/14,789.18
6. Step 6: Final answer
   x = 13,459.91