Finding the Fourth Proportional to 31,098.69, 42,916.32 and 16,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,098.69 : 42,916.32 = 16,951.50 : x
2. Step 2: Convert to fraction form
   31,098.69/42,916.32 = 16,951.50/x
3. Step 3: Cross multiply
   31,098.69x = 42,916.32 × 16,951.50
4. Step 4: Simplify right side
   31,098.69x = 727,495,998.48
5. Step 5: Solve for x
   x = 727,495,998.48/31,098.69
6. Step 6: Final answer
   x = 23,393.14