Finding the Fourth Proportional to 6,613.42, 9,920.67 and 3,324.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,613.42 : 9,920.67 = 3,324.82 : x
2. Step 2: Convert to fraction form
   6,613.42/9,920.67 = 3,324.82/x
3. Step 3: Cross multiply
   6,613.42x = 9,920.67 × 3,324.82
4. Step 4: Simplify right side
   6,613.42x = 32,984,442.03
5. Step 5: Solve for x
   x = 32,984,442.03/6,613.42
6. Step 6: Final answer
   x = 4,987.50