Finding the Fourth Proportional to 2,080.67, 2,871.36 and 1,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.67 : 2,871.36 = 1,136.50 : x
2. Step 2: Convert to fraction form
   2,080.67/2,871.36 = 1,136.50/x
3. Step 3: Cross multiply
   2,080.67x = 2,871.36 × 1,136.50
4. Step 4: Simplify right side
   2,080.67x = 3,263,293.46
5. Step 5: Solve for x
   x = 3,263,293.46/2,080.67
6. Step 6: Final answer
   x = 1,568.39