Finding the Fourth Proportional to 23,002.39, 31,744.47 and 12,932.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,002.39 : 31,744.47 = 12,932.47 : x
2. Step 2: Convert to fraction form
   23,002.39/31,744.47 = 12,932.47/x
3. Step 3: Cross multiply
   23,002.39x = 31,744.47 × 12,932.47
4. Step 4: Simplify right side
   23,002.39x = 410,534,405.94
5. Step 5: Solve for x
   x = 410,534,405.94/23,002.39
6. Step 6: Final answer
   x = 17,847.47