Finding the Fourth Proportional to 23,142.44, 31,936.60 and 12,532.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142.44 : 31,936.60 = 12,532.05 : x
2. Step 2: Convert to fraction form
   23,142.44/31,936.60 = 12,532.05/x
3. Step 3: Cross multiply
   23,142.44x = 31,936.60 × 12,532.05
4. Step 4: Simplify right side
   23,142.44x = 400,231,068.03
5. Step 5: Solve for x
   x = 400,231,068.03/23,142.44
6. Step 6: Final answer
   x = 17,294.25