Finding the Fourth Proportional to 23,142.66, 31,936.73 and 12,532.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142.66 : 31,936.73 = 12,532.28 : x
2. Step 2: Convert to fraction form
   23,142.66/31,936.73 = 12,532.28/x
3. Step 3: Cross multiply
   23,142.66x = 31,936.73 × 12,532.28
4. Step 4: Simplify right side
   23,142.66x = 400,239,820.30
5. Step 5: Solve for x
   x = 400,239,820.30/23,142.66
6. Step 6: Final answer
   x = 17,294.46