Finding the Fourth Proportional to 2,080.71, 2,871.23 and 1,136.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.71 : 2,871.23 = 1,136.43 : x
2. Step 2: Convert to fraction form
   2,080.71/2,871.23 = 1,136.43/x
3. Step 3: Cross multiply
   2,080.71x = 2,871.23 × 1,136.43
4. Step 4: Simplify right side
   2,080.71x = 3,262,946.23
5. Step 5: Solve for x
   x = 3,262,946.23/2,080.71
6. Step 6: Final answer
   x = 1,568.19