Finding the Fourth Proportional to 31,098.46, 42,915.61 and 16,951

Step by Step Solution

1. Step 1: Write the proportion equation
   31,098.46 : 42,915.61 = 16,951 : x
2. Step 2: Convert to fraction form
   31,098.46/42,915.61 = 16,951/x
3. Step 3: Cross multiply
   31,098.46x = 42,915.61 × 16,951
4. Step 4: Simplify right side
   31,098.46x = 727,462,505.11
5. Step 5: Solve for x
   x = 727,462,505.11/31,098.46
6. Step 6: Final answer
   x = 23,392.24