Finding the Fourth Proportional to 2,182.80, 3,273.72 and 722.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.80 : 3,273.72 = 722.06 : x
2. Step 2: Convert to fraction form
   2,182.80/3,273.72 = 722.06/x
3. Step 3: Cross multiply
   2,182.80x = 3,273.72 × 722.06
4. Step 4: Simplify right side
   2,182.80x = 2,363,833.88
5. Step 5: Solve for x
   x = 2,363,833.88/2,182.80
6. Step 6: Final answer
   x = 1,082.94