Finding the Fourth Proportional to 22,475.28, 31,023.12 and 13,042.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,475.28 : 31,023.12 = 13,042.02 : x
2. Step 2: Convert to fraction form
   22,475.28/31,023.12 = 13,042.02/x
3. Step 3: Cross multiply
   22,475.28x = 31,023.12 × 13,042.02
4. Step 4: Simplify right side
   22,475.28x = 404,604,151.50
5. Step 5: Solve for x
   x = 404,604,151.50/22,475.28
6. Step 6: Final answer
   x = 18,002.19