Finding the Fourth Proportional to 4,411.42, 6,613.67 and 3,020.55

Step by Step Solution

1. Step 1: Write the proportion equation
   4,411.42 : 6,613.67 = 3,020.55 : x
2. Step 2: Convert to fraction form
   4,411.42/6,613.67 = 3,020.55/x
3. Step 3: Cross multiply
   4,411.42x = 6,613.67 × 3,020.55
4. Step 4: Simplify right side
   4,411.42x = 19,976,887.85
5. Step 5: Solve for x
   x = 19,976,887.85/4,411.42
6. Step 6: Final answer
   x = 4,528.45