Finding the Fourth Proportional to 10,229.29, 15,362.43 and 9,406.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,229.29 : 15,362.43 = 9,406.06 : x
2. Step 2: Convert to fraction form
   10,229.29/15,362.43 = 9,406.06/x
3. Step 3: Cross multiply
   10,229.29x = 15,362.43 × 9,406.06
4. Step 4: Simplify right side
   10,229.29x = 144,499,938.33
5. Step 5: Solve for x
   x = 144,499,938.33/10,229.29
6. Step 6: Final answer
   x = 14,126.10