Finding the Fourth Proportional to 9,604.67, 13,239.92 and 7,505.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,604.67 : 13,239.92 = 7,505.15 : x
2. Step 2: Convert to fraction form
   9,604.67/13,239.92 = 7,505.15/x
3. Step 3: Cross multiply
   9,604.67x = 13,239.92 × 7,505.15
4. Step 4: Simplify right side
   9,604.67x = 99,367,538.15
5. Step 5: Solve for x
   x = 99,367,538.15/9,604.67
6. Step 6: Final answer
   x = 10,345.76