Finding the Fourth Proportional to 2,080.58, 2,871.12 and 1,136.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.58 : 2,871.12 = 1,136.41 : x
2. Step 2: Convert to fraction form
   2,080.58/2,871.12 = 1,136.41/x
3. Step 3: Cross multiply
   2,080.58x = 2,871.12 × 1,136.41
4. Step 4: Simplify right side
   2,080.58x = 3,262,769.48
5. Step 5: Solve for x
   x = 3,262,769.48/2,080.58
6. Step 6: Final answer
   x = 1,568.20