Finding the Fourth Proportional to 6,441.12, 9,650.34 and 3,149.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,441.12 : 9,650.34 = 3,149.82 : x
2. Step 2: Convert to fraction form
   6,441.12/9,650.34 = 3,149.82/x
3. Step 3: Cross multiply
   6,441.12x = 9,650.34 × 3,149.82
4. Step 4: Simplify right side
   6,441.12x = 30,396,833.94
5. Step 5: Solve for x
   x = 30,396,833.94/6,441.12
6. Step 6: Final answer
   x = 4,719.18