Finding the Fourth Proportional to 23,142.87, 31,937.37 and 12,532.71

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142.87 : 31,937.37 = 12,532.71 : x
2. Step 2: Convert to fraction form
   23,142.87/31,937.37 = 12,532.71/x
3. Step 3: Cross multiply
   23,142.87x = 31,937.37 × 12,532.71
4. Step 4: Simplify right side
   23,142.87x = 400,261,796.37
5. Step 5: Solve for x
   x = 400,261,796.37/23,142.87
6. Step 6: Final answer
   x = 17,295.25