Finding the Fourth Proportional to 23,142.62, 31,936.77 and 12,532.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142.62 : 31,936.77 = 12,532.22 : x
2. Step 2: Convert to fraction form
   23,142.62/31,936.77 = 12,532.22/x
3. Step 3: Cross multiply
   23,142.62x = 31,936.77 × 12,532.22
4. Step 4: Simplify right side
   23,142.62x = 400,238,627.73
5. Step 5: Solve for x
   x = 400,238,627.73/23,142.62
6. Step 6: Final answer
   x = 17,294.44