Finding the Fourth Proportional to 6,494.89, 8,964.55 and 3,976.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,494.89 : 8,964.55 = 3,976.54 : x
2. Step 2: Convert to fraction form
   6,494.89/8,964.55 = 3,976.54/x
3. Step 3: Cross multiply
   6,494.89x = 8,964.55 × 3,976.54
4. Step 4: Simplify right side
   6,494.89x = 35,647,859.30
5. Step 5: Solve for x
   x = 35,647,859.30/6,494.89
6. Step 6: Final answer
   x = 5,488.60