Finding the Fourth Proportional to 6,276.42, 8,661.26 and 3,443.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,276.42 : 8,661.26 = 3,443.72 : x
2. Step 2: Convert to fraction form
   6,276.42/8,661.26 = 3,443.72/x
3. Step 3: Cross multiply
   6,276.42x = 8,661.26 × 3,443.72
4. Step 4: Simplify right side
   6,276.42x = 29,826,919.59
5. Step 5: Solve for x
   x = 29,826,919.59/6,276.42
6. Step 6: Final answer
   x = 4,752.22