Finding the Fourth Proportional to 9,696.79, 13,367.46 and 7,708.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,696.79 : 13,367.46 = 7,708.15 : x
2. Step 2: Convert to fraction form
   9,696.79/13,367.46 = 7,708.15/x
3. Step 3: Cross multiply
   9,696.79x = 13,367.46 × 7,708.15
4. Step 4: Simplify right side
   9,696.79x = 103,038,386.80
5. Step 5: Solve for x
   x = 103,038,386.80/9,696.79
6. Step 6: Final answer
   x = 10,626.03