Finding the Fourth Proportional to 2,080.27, 2,870.70 and 1,136.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.27 : 2,870.70 = 1,136.03 : x
2. Step 2: Convert to fraction form
   2,080.27/2,870.70 = 1,136.03/x
3. Step 3: Cross multiply
   2,080.27x = 2,870.70 × 1,136.03
4. Step 4: Simplify right side
   2,080.27x = 3,261,201.32
5. Step 5: Solve for x
   x = 3,261,201.32/2,080.27
6. Step 6: Final answer
   x = 1,567.69