Finding the Fourth Proportional to 3,849.22, 5,311.90 and 2,080.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,849.22 : 5,311.90 = 2,080.82 : x
2. Step 2: Convert to fraction form
   3,849.22/5,311.90 = 2,080.82/x
3. Step 3: Cross multiply
   3,849.22x = 5,311.90 × 2,080.82
4. Step 4: Simplify right side
   3,849.22x = 11,053,107.76
5. Step 5: Solve for x
   x = 11,053,107.76/3,849.22
6. Step 6: Final answer
   x = 2,871.52