Finding the Fourth Proportional to 17,873.69, 24,665.15 and 9,915.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,873.69 : 24,665.15 = 9,915.71 : x
2. Step 2: Convert to fraction form
   17,873.69/24,665.15 = 9,915.71/x
3. Step 3: Cross multiply
   17,873.69x = 24,665.15 × 9,915.71
4. Step 4: Simplify right side
   17,873.69x = 244,572,375.97
5. Step 5: Solve for x
   x = 244,572,375.97/17,873.69
6. Step 6: Final answer
   x = 13,683.38