Finding the Fourth Proportional to 6,086.70, 8,399.90 and 3,434.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,086.70 : 8,399.90 = 3,434.10 : x
2. Step 2: Convert to fraction form
   6,086.70/8,399.90 = 3,434.10/x
3. Step 3: Cross multiply
   6,086.70x = 8,399.90 × 3,434.10
4. Step 4: Simplify right side
   6,086.70x = 28,846,054.36
5. Step 5: Solve for x
   x = 28,846,054.36/6,086.70
6. Step 6: Final answer
   x = 4,739.19