Finding the Fourth Proportional to 31,025.11, 42,814.83 and 16,877.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,025.11 : 42,814.83 = 16,877.92 : x
2. Step 2: Convert to fraction form
   31,025.11/42,814.83 = 16,877.92/x
3. Step 3: Cross multiply
   31,025.11x = 42,814.83 × 16,877.92
4. Step 4: Simplify right side
   31,025.11x = 722,625,275.55
5. Step 5: Solve for x
   x = 722,625,275.55/31,025.11
6. Step 6: Final answer
   x = 23,291.63