Finding the Fourth Proportional to 17,472.38, 24,111.07 and 9,917.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,472.38 : 24,111.07 = 9,917.72 : x
2. Step 2: Convert to fraction form
   17,472.38/24,111.07 = 9,917.72/x
3. Step 3: Cross multiply
   17,472.38x = 24,111.07 × 9,917.72
4. Step 4: Simplify right side
   17,472.38x = 239,126,718.41
5. Step 5: Solve for x
   x = 239,126,718.41/17,472.38
6. Step 6: Final answer
   x = 13,685.98