Finding the Fourth Proportional to 3,989.89, 5,982.83 and 2,324.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,989.89 : 5,982.83 = 2,324.55 : x
2. Step 2: Convert to fraction form
   3,989.89/5,982.83 = 2,324.55/x
3. Step 3: Cross multiply
   3,989.89x = 5,982.83 × 2,324.55
4. Step 4: Simplify right side
   3,989.89x = 13,907,375.85
5. Step 5: Solve for x
   x = 13,907,375.85/3,989.89
6. Step 6: Final answer
   x = 3,485.66