Finding the Fourth Proportional to 9,676, 13,350.72 and 5,697.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,676 : 13,350.72 = 5,697.28 : x
2. Step 2: Convert to fraction form
   9,676/13,350.72 = 5,697.28/x
3. Step 3: Cross multiply
   9,676x = 13,350.72 × 5,697.28
4. Step 4: Simplify right side
   9,676x = 76,062,790.04
5. Step 5: Solve for x
   x = 76,062,790.04/9,676
6. Step 6: Final answer
   x = 7,860.97