Finding the Fourth Proportional to 22,562.96, 31,145.06 and 13,131.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,562.96 : 31,145.06 = 13,131.52 : x
2. Step 2: Convert to fraction form
   22,562.96/31,145.06 = 13,131.52/x
3. Step 3: Cross multiply
   22,562.96x = 31,145.06 × 13,131.52
4. Step 4: Simplify right side
   22,562.96x = 408,981,859.39
5. Step 5: Solve for x
   x = 408,981,859.39/22,562.96
6. Step 6: Final answer
   x = 18,126.25