Finding the Fourth Proportional to 2,080.90, 2,871.39 and 1,149.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.90 : 2,871.39 = 1,149.34 : x
2. Step 2: Convert to fraction form
   2,080.90/2,871.39 = 1,149.34/x
3. Step 3: Cross multiply
   2,080.90x = 2,871.39 × 1,149.34
4. Step 4: Simplify right side
   2,080.90x = 3,300,203.38
5. Step 5: Solve for x
   x = 3,300,203.38/2,080.90
6. Step 6: Final answer
   x = 1,585.95