Finding the Fourth Proportional to 6,086.27, 8,399.47 and 3,398.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,086.27 : 8,399.47 = 3,398.02 : x
2. Step 2: Convert to fraction form
   6,086.27/8,399.47 = 3,398.02/x
3. Step 3: Cross multiply
   6,086.27x = 8,399.47 × 3,398.02
4. Step 4: Simplify right side
   6,086.27x = 28,541,567.05
5. Step 5: Solve for x
   x = 28,541,567.05/6,086.27
6. Step 6: Final answer
   x = 4,689.50