Finding the Fourth Proportional to 2,080.22, 2,870.58 and 1,135.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.22 : 2,870.58 = 1,135.83 : x
2. Step 2: Convert to fraction form
   2,080.22/2,870.58 = 1,135.83/x
3. Step 3: Cross multiply
   2,080.22x = 2,870.58 × 1,135.83
4. Step 4: Simplify right side
   2,080.22x = 3,260,470.85
5. Step 5: Solve for x
   x = 3,260,470.85/2,080.22
6. Step 6: Final answer
   x = 1,567.37