Finding the Fourth Proportional to 31,098.34, 42,915.72 and 17,669.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,098.34 : 42,915.72 = 17,669.61 : x
2. Step 2: Convert to fraction form
   31,098.34/42,915.72 = 17,669.61/x
3. Step 3: Cross multiply
   31,098.34x = 42,915.72 × 17,669.61
4. Step 4: Simplify right side
   31,098.34x = 758,304,035.27
5. Step 5: Solve for x
   x = 758,304,035.27/31,098.34
6. Step 6: Final answer
   x = 24,384.07