Finding the Fourth Proportional to 22,568.50, 31,144.56 and 12,632.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,568.50 : 31,144.56 = 12,632.50 : x
2. Step 2: Convert to fraction form
   22,568.50/31,144.56 = 12,632.50/x
3. Step 3: Cross multiply
   22,568.50x = 31,144.56 × 12,632.50
4. Step 4: Simplify right side
   22,568.50x = 393,433,654.20
5. Step 5: Solve for x
   x = 393,433,654.20/22,568.50
6. Step 6: Final answer
   x = 17,432.87