Finding the Fourth Proportional to 2,080.33, 2,870.88 and 1,136.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.33 : 2,870.88 = 1,136.15 : x
2. Step 2: Convert to fraction form
   2,080.33/2,870.88 = 1,136.15/x
3. Step 3: Cross multiply
   2,080.33x = 2,870.88 × 1,136.15
4. Step 4: Simplify right side
   2,080.33x = 3,261,735.66
5. Step 5: Solve for x
   x = 3,261,735.66/2,080.33
6. Step 6: Final answer
   x = 1,567.90