Finding the Fourth Proportional to 23,141.39, 31,935.27 and 12,531.03

Step by Step Solution

1. Step 1: Write the proportion equation
   23,141.39 : 31,935.27 = 12,531.03 : x
2. Step 2: Convert to fraction form
   23,141.39/31,935.27 = 12,531.03/x
3. Step 3: Cross multiply
   23,141.39x = 31,935.27 × 12,531.03
4. Step 4: Simplify right side
   23,141.39x = 400,181,753.66
5. Step 5: Solve for x
   x = 400,181,753.66/23,141.39
6. Step 6: Final answer
   x = 17,292.90