Finding the Fourth Proportional to 17,875.52, 24,666.24 and 9,915.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,875.52 : 24,666.24 = 9,915.76 : x
2. Step 2: Convert to fraction form
   17,875.52/24,666.24 = 9,915.76/x
3. Step 3: Cross multiply
   17,875.52x = 24,666.24 × 9,915.76
4. Step 4: Simplify right side
   17,875.52x = 244,584,515.94
5. Step 5: Solve for x
   x = 244,584,515.94/17,875.52
6. Step 6: Final answer
   x = 13,682.65