Finding the Fourth Proportional to 22,989.72, 31,729.24 and 14,042.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,989.72 : 31,729.24 = 14,042.37 : x
2. Step 2: Convert to fraction form
   22,989.72/31,729.24 = 14,042.37/x
3. Step 3: Cross multiply
   22,989.72x = 31,729.24 × 14,042.37
4. Step 4: Simplify right side
   22,989.72x = 445,553,727.90
5. Step 5: Solve for x
   x = 445,553,727.90/22,989.72
6. Step 6: Final answer
   x = 19,380.56