Finding the Fourth Proportional to 6,086.28, 8,399.03 and 3,291.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,086.28 : 8,399.03 = 3,291.78 : x
2. Step 2: Convert to fraction form
   6,086.28/8,399.03 = 3,291.78/x
3. Step 3: Cross multiply
   6,086.28x = 8,399.03 × 3,291.78
4. Step 4: Simplify right side
   6,086.28x = 27,647,742.51
5. Step 5: Solve for x
   x = 27,647,742.51/6,086.28
6. Step 6: Final answer
   x = 4,542.63