Finding the Fourth Proportional to 5,568.36, 8,311.89 and 5,157.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,568.36 : 8,311.89 = 5,157.24 : x
2. Step 2: Convert to fraction form
   5,568.36/8,311.89 = 5,157.24/x
3. Step 3: Cross multiply
   5,568.36x = 8,311.89 × 5,157.24
4. Step 4: Simplify right side
   5,568.36x = 42,866,411.58
5. Step 5: Solve for x
   x = 42,866,411.58/5,568.36
6. Step 6: Final answer
   x = 7,698.21