Finding the Fourth Proportional to 22,478.27, 31,025.42 and 13,524.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,478.27 : 31,025.42 = 13,524.10 : x
2. Step 2: Convert to fraction form
   22,478.27/31,025.42 = 13,524.10/x
3. Step 3: Cross multiply
   22,478.27x = 31,025.42 × 13,524.10
4. Step 4: Simplify right side
   22,478.27x = 419,590,882.62
5. Step 5: Solve for x
   x = 419,590,882.62/22,478.27
6. Step 6: Final answer
   x = 18,666.51