Finding the Fourth Proportional to 12,744.52, 17,589.08 and 7,155.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,744.52 : 17,589.08 = 7,155.52 : x
2. Step 2: Convert to fraction form
   12,744.52/17,589.08 = 7,155.52/x
3. Step 3: Cross multiply
   12,744.52x = 17,589.08 × 7,155.52
4. Step 4: Simplify right side
   12,744.52x = 125,859,013.72
5. Step 5: Solve for x
   x = 125,859,013.72/12,744.52
6. Step 6: Final answer
   x = 9,875.54