Finding the Fourth Proportional to 12,329.52, 17,013.04 and 7,023.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,329.52 : 17,013.04 = 7,023.31 : x
2. Step 2: Convert to fraction form
   12,329.52/17,013.04 = 7,023.31/x
3. Step 3: Cross multiply
   12,329.52x = 17,013.04 × 7,023.31
4. Step 4: Simplify right side
   12,329.52x = 119,487,793.87
5. Step 5: Solve for x
   x = 119,487,793.87/12,329.52
6. Step 6: Final answer
   x = 9,691.20