Finding the Fourth Proportional to 6,198.24, 8,544.72 and 4,429.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,198.24 : 8,544.72 = 4,429.20 : x
2. Step 2: Convert to fraction form
   6,198.24/8,544.72 = 4,429.20/x
3. Step 3: Cross multiply
   6,198.24x = 8,544.72 × 4,429.20
4. Step 4: Simplify right side
   6,198.24x = 37,846,273.82
5. Step 5: Solve for x
   x = 37,846,273.82/6,198.24
6. Step 6: Final answer
   x = 6,105.97