Finding the Fourth Proportional to 2,002.68, 2,759.94 and 1,559.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.68 : 2,759.94 = 1,559.88 : x
2. Step 2: Convert to fraction form
   2,002.68/2,759.94 = 1,559.88/x
3. Step 3: Cross multiply
   2,002.68x = 2,759.94 × 1,559.88
4. Step 4: Simplify right side
   2,002.68x = 4,305,175.21
5. Step 5: Solve for x
   x = 4,305,175.21/2,002.68
6. Step 6: Final answer
   x = 2,149.71