Finding the Fourth Proportional to 6,441.60, 9,649.82 and 4,439.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,441.60 : 9,649.82 = 4,439.94 : x
2. Step 2: Convert to fraction form
   6,441.60/9,649.82 = 4,439.94/x
3. Step 3: Cross multiply
   6,441.60x = 9,649.82 × 4,439.94
4. Step 4: Simplify right side
   6,441.60x = 42,844,596.72
5. Step 5: Solve for x
   x = 42,844,596.72/6,441.60
6. Step 6: Final answer
   x = 6,651.23