Finding the Fourth Proportional to 31,098.57, 42,916.03 and 16,951.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,098.57 : 42,916.03 = 16,951.42 : x
2. Step 2: Convert to fraction form
   31,098.57/42,916.03 = 16,951.42/x
3. Step 3: Cross multiply
   31,098.57x = 42,916.03 × 16,951.42
4. Step 4: Simplify right side
   31,098.57x = 727,487,594.95
5. Step 5: Solve for x
   x = 727,487,594.95/31,098.57
6. Step 6: Final answer
   x = 23,392.96