Finding the Fourth Proportional to 6,086.79, 8,399.61 and 3,434.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,086.79 : 8,399.61 = 3,434.18 : x
2. Step 2: Convert to fraction form
   6,086.79/8,399.61 = 3,434.18/x
3. Step 3: Cross multiply
   6,086.79x = 8,399.61 × 3,434.18
4. Step 4: Simplify right side
   6,086.79x = 28,845,730.67
5. Step 5: Solve for x
   x = 28,845,730.67/6,086.79
6. Step 6: Final answer
   x = 4,739.07