Finding the Fourth Proportional to 6,399.57, 9,599.31 and 2,449.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,399.57 : 9,599.31 = 2,449.91 : x
2. Step 2: Convert to fraction form
   6,399.57/9,599.31 = 2,449.91/x
3. Step 3: Cross multiply
   6,399.57x = 9,599.31 × 2,449.91
4. Step 4: Simplify right side
   6,399.57x = 23,517,445.56
5. Step 5: Solve for x
   x = 23,517,445.56/6,399.57
6. Step 6: Final answer
   x = 3,674.85