Finding the Fourth Proportional to 23,141.62, 31,935.39 and 12,531.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,141.62 : 31,935.39 = 12,531.22 : x
2. Step 2: Convert to fraction form
   23,141.62/31,935.39 = 12,531.22/x
3. Step 3: Cross multiply
   23,141.62x = 31,935.39 × 12,531.22
4. Step 4: Simplify right side
   23,141.62x = 400,189,397.88
5. Step 5: Solve for x
   x = 400,189,397.88/23,141.62
6. Step 6: Final answer
   x = 17,293.06