Finding the Fourth Proportional to 10,227.29, 15,359.43 and 9,404.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,227.29 : 15,359.43 = 9,404.06 : x
2. Step 2: Convert to fraction form
   10,227.29/15,359.43 = 9,404.06/x
3. Step 3: Cross multiply
   10,227.29x = 15,359.43 × 9,404.06
4. Step 4: Simplify right side
   10,227.29x = 144,441,001.29
5. Step 5: Solve for x
   x = 144,441,001.29/10,227.29
6. Step 6: Final answer
   x = 14,123.10