Finding the Fourth Proportional to 16,502.49, 22,773.02 and 9,428.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,502.49 : 22,773.02 = 9,428.31 : x
2. Step 2: Convert to fraction form
   16,502.49/22,773.02 = 9,428.31/x
3. Step 3: Cross multiply
   16,502.49x = 22,773.02 × 9,428.31
4. Step 4: Simplify right side
   16,502.49x = 214,711,001.90
5. Step 5: Solve for x
   x = 214,711,001.90/16,502.49
6. Step 6: Final answer
   x = 13,010.83