Finding the Fourth Proportional to 23,140.98, 31,934.43 and 12,530.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,140.98 : 31,934.43 = 12,530.52 : x
2. Step 2: Convert to fraction form
   23,140.98/31,934.43 = 12,530.52/x
3. Step 3: Cross multiply
   23,140.98x = 31,934.43 × 12,530.52
4. Step 4: Simplify right side
   23,140.98x = 400,155,013.80
5. Step 5: Solve for x
   x = 400,155,013.80/23,140.98
6. Step 6: Final answer
   x = 17,292.05