Finding the Fourth Proportional to 17,870.73, 24,664.56 and 9,915.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870.73 : 24,664.56 = 9,915.52 : x
2. Step 2: Convert to fraction form
   17,870.73/24,664.56 = 9,915.52/x
3. Step 3: Cross multiply
   17,870.73x = 24,664.56 × 9,915.52
4. Step 4: Simplify right side
   17,870.73x = 244,561,937.97
5. Step 5: Solve for x
   x = 244,561,937.97/17,870.73
6. Step 6: Final answer
   x = 13,685.06