Finding the Fourth Proportional to 23,142.65, 31,936.82 and 12,532.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142.65 : 31,936.82 = 12,532.32 : x
2. Step 2: Convert to fraction form
   23,142.65/31,936.82 = 12,532.32/x
3. Step 3: Cross multiply
   23,142.65x = 31,936.82 × 12,532.32
4. Step 4: Simplify right side
   23,142.65x = 400,242,385.36
5. Step 5: Solve for x
   x = 400,242,385.36/23,142.65
6. Step 6: Final answer
   x = 17,294.58