Finding the Fourth Proportional to 31,901.88, 44,022.72 and 18,472.20

Step by Step Solution

1. Step 1: Write the proportion equation
   31,901.88 : 44,022.72 = 18,472.20 : x
2. Step 2: Convert to fraction form
   31,901.88/44,022.72 = 18,472.20/x
3. Step 3: Cross multiply
   31,901.88x = 44,022.72 × 18,472.20
4. Step 4: Simplify right side
   31,901.88x = 813,196,488.38
5. Step 5: Solve for x
   x = 813,196,488.38/31,901.88
6. Step 6: Final answer
   x = 25,490.55