Finding the Fourth Proportional to 2,080.57, 2,871.10 and 1,136.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.57 : 2,871.10 = 1,136.34 : x
2. Step 2: Convert to fraction form
   2,080.57/2,871.10 = 1,136.34/x
3. Step 3: Cross multiply
   2,080.57x = 2,871.10 × 1,136.34
4. Step 4: Simplify right side
   2,080.57x = 3,262,545.77
5. Step 5: Solve for x
   x = 3,262,545.77/2,080.57
6. Step 6: Final answer
   x = 1,568.10