Finding the Fourth Proportional to 6,109.18, 8,434.49 and 4,198.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,109.18 : 8,434.49 = 4,198.29 : x
2. Step 2: Convert to fraction form
   6,109.18/8,434.49 = 4,198.29/x
3. Step 3: Cross multiply
   6,109.18x = 8,434.49 × 4,198.29
4. Step 4: Simplify right side
   6,109.18x = 35,410,414.03
5. Step 5: Solve for x
   x = 35,410,414.03/6,109.18
6. Step 6: Final answer
   x = 5,796.26