Finding the Fourth Proportional to 12,707.11, 17,535.59 and 7,329.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,707.11 : 17,535.59 = 7,329.52 : x
2. Step 2: Convert to fraction form
   12,707.11/17,535.59 = 7,329.52/x
3. Step 3: Cross multiply
   12,707.11x = 17,535.59 × 7,329.52
4. Step 4: Simplify right side
   12,707.11x = 128,527,470.37
5. Step 5: Solve for x
   x = 128,527,470.37/12,707.11
6. Step 6: Final answer
   x = 10,114.61