Finding the Fourth Proportional to 5,396.16, 8,096.76 and 5,308.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,396.16 : 8,096.76 = 5,308.80 : x
2. Step 2: Convert to fraction form
   5,396.16/8,096.76 = 5,308.80/x
3. Step 3: Cross multiply
   5,396.16x = 8,096.76 × 5,308.80
4. Step 4: Simplify right side
   5,396.16x = 42,984,079.49
5. Step 5: Solve for x
   x = 42,984,079.49/5,396.16
6. Step 6: Final answer
   x = 7,965.68