Finding the Fourth Proportional to 23,152.62, 31,950.60 and 12,542.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,152.62 : 31,950.60 = 12,542.31 : x
2. Step 2: Convert to fraction form
   23,152.62/31,950.60 = 12,542.31/x
3. Step 3: Cross multiply
   23,152.62x = 31,950.60 × 12,542.31
4. Step 4: Simplify right side
   23,152.62x = 400,734,329.89
5. Step 5: Solve for x
   x = 400,734,329.89/23,152.62
6. Step 6: Final answer
   x = 17,308.38