Finding the Fourth Proportional to 2,080.10, 2,866.59 and 1,489.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.10 : 2,866.59 = 1,489.61 : x
2. Step 2: Convert to fraction form
   2,080.10/2,866.59 = 1,489.61/x
3. Step 3: Cross multiply
   2,080.10x = 2,866.59 × 1,489.61
4. Step 4: Simplify right side
   2,080.10x = 4,270,105.71
5. Step 5: Solve for x
   x = 4,270,105.71/2,080.10
6. Step 6: Final answer
   x = 2,052.84