Finding the Fourth Proportional to 2,080.56, 2,871.06 and 1,149

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.56 : 2,871.06 = 1,149 : x
2. Step 2: Convert to fraction form
   2,080.56/2,871.06 = 1,149/x
3. Step 3: Cross multiply
   2,080.56x = 2,871.06 × 1,149
4. Step 4: Simplify right side
   2,080.56x = 3,298,847.94
5. Step 5: Solve for x
   x = 3,298,847.94/2,080.56
6. Step 6: Final answer
   x = 1,585.56