Finding the Fourth Proportional to 23,142.60, 31,936.41 and 12,532.14

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142.60 : 31,936.41 = 12,532.14 : x
2. Step 2: Convert to fraction form
   23,142.60/31,936.41 = 12,532.14/x
3. Step 3: Cross multiply
   23,142.60x = 31,936.41 × 12,532.14
4. Step 4: Simplify right side
   23,142.60x = 400,231,561.22
5. Step 5: Solve for x
   x = 400,231,561.22/23,142.60
6. Step 6: Final answer
   x = 17,294.15