Finding the Fourth Proportional to 22,504.80, 31,057.26 and 12,433.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,504.80 : 31,057.26 = 12,433.89 : x
2. Step 2: Convert to fraction form
   22,504.80/31,057.26 = 12,433.89/x
3. Step 3: Cross multiply
   22,504.80x = 31,057.26 × 12,433.89
4. Step 4: Simplify right side
   22,504.80x = 386,162,624.38
5. Step 5: Solve for x
   x = 386,162,624.38/22,504.80
6. Step 6: Final answer
   x = 17,159.12