Finding the Fourth Proportional to 31,098.37, 42,915.31 and 16,951.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,098.37 : 42,915.31 = 16,951.27 : x
2. Step 2: Convert to fraction form
   31,098.37/42,915.31 = 16,951.27/x
3. Step 3: Cross multiply
   31,098.37x = 42,915.31 × 16,951.27
4. Step 4: Simplify right side
   31,098.37x = 727,469,006.94
5. Step 5: Solve for x
   x = 727,469,006.94/31,098.37
6. Step 6: Final answer
   x = 23,392.51