Finding the Fourth Proportional to 31,098.52, 42,915.92 and 16,951.36

Step by Step Solution

1. Step 1: Write the proportion equation
   31,098.52 : 42,915.92 = 16,951.36 : x
2. Step 2: Convert to fraction form
   31,098.52/42,915.92 = 16,951.36/x
3. Step 3: Cross multiply
   31,098.52x = 42,915.92 × 16,951.36
4. Step 4: Simplify right side
   31,098.52x = 727,483,209.65
5. Step 5: Solve for x
   x = 727,483,209.65/31,098.52
6. Step 6: Final answer
   x = 23,392.86