Finding the Fourth Proportional to 23,139.57, 31,932.56 and 13,067.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,139.57 : 31,932.56 = 13,067.53 : x
2. Step 2: Convert to fraction form
   23,139.57/31,932.56 = 13,067.53/x
3. Step 3: Cross multiply
   23,139.57x = 31,932.56 × 13,067.53
4. Step 4: Simplify right side
   23,139.57x = 417,279,638.61
5. Step 5: Solve for x
   x = 417,279,638.61/23,139.57
6. Step 6: Final answer
   x = 18,033.16