Finding the Fourth Proportional to 31,098.26, 42,915.56 and 16,951.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,098.26 : 42,915.56 = 16,951.10 : x
2. Step 2: Convert to fraction form
   31,098.26/42,915.56 = 16,951.10/x
3. Step 3: Cross multiply
   31,098.26x = 42,915.56 × 16,951.10
4. Step 4: Simplify right side
   31,098.26x = 727,465,649.78
5. Step 5: Solve for x
   x = 727,465,649.78/31,098.26
6. Step 6: Final answer
   x = 23,392.49