Finding the Fourth Proportional to 31,098.92, 42,916.70 and 16,951.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,098.92 : 42,916.70 = 16,951.72 : x
2. Step 2: Convert to fraction form
   31,098.92/42,916.70 = 16,951.72/x
3. Step 3: Cross multiply
   31,098.92x = 42,916.70 × 16,951.72
4. Step 4: Simplify right side
   31,098.92x = 727,511,881.72
5. Step 5: Solve for x
   x = 727,511,881.72/31,098.92
6. Step 6: Final answer
   x = 23,393.48