Finding the Fourth Proportional to 22,505.52, 31,057.51 and 12,433.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,505.52 : 31,057.51 = 12,433.96 : x
2. Step 2: Convert to fraction form
   22,505.52/31,057.51 = 12,433.96/x
3. Step 3: Cross multiply
   22,505.52x = 31,057.51 × 12,433.96
4. Step 4: Simplify right side
   22,505.52x = 386,167,837.04
5. Step 5: Solve for x
   x = 386,167,837.04/22,505.52
6. Step 6: Final answer
   x = 17,158.81