Finding the Fourth Proportional to 23,140.62, 31,934.01 and 12,530.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,140.62 : 31,934.01 = 12,530.22 : x
2. Step 2: Convert to fraction form
   23,140.62/31,934.01 = 12,530.22/x
3. Step 3: Cross multiply
   23,140.62x = 31,934.01 × 12,530.22
4. Step 4: Simplify right side
   23,140.62x = 400,140,170.78
5. Step 5: Solve for x
   x = 400,140,170.78/23,140.62
6. Step 6: Final answer
   x = 17,291.68