Finding the Fourth Proportional to 9,697.29, 13,368.15 and 7,708.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,697.29 : 13,368.15 = 7,708.65 : x
2. Step 2: Convert to fraction form
   9,697.29/13,368.15 = 7,708.65/x
3. Step 3: Cross multiply
   9,697.29x = 13,368.15 × 7,708.65
4. Step 4: Simplify right side
   9,697.29x = 103,050,389.50
5. Step 5: Solve for x
   x = 103,050,389.50/9,697.29
6. Step 6: Final answer
   x = 10,626.72