Finding the Fourth Proportional to 2,020.56, 3,030.27 and 722.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.56 : 3,030.27 = 722.04 : x
2. Step 2: Convert to fraction form
   2,020.56/3,030.27 = 722.04/x
3. Step 3: Cross multiply
   2,020.56x = 3,030.27 × 722.04
4. Step 4: Simplify right side
   2,020.56x = 2,187,976.15
5. Step 5: Solve for x
   x = 2,187,976.15/2,020.56
6. Step 6: Final answer
   x = 1,082.86