Finding the Fourth Proportional to 1,568.66, 2,340.71 and 1,559.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,568.66 : 2,340.71 = 1,559.55 : x
2. Step 2: Convert to fraction form
   1,568.66/2,340.71 = 1,559.55/x
3. Step 3: Cross multiply
   1,568.66x = 2,340.71 × 1,559.55
4. Step 4: Simplify right side
   1,568.66x = 3,650,454.28
5. Step 5: Solve for x
   x = 3,650,454.28/1,568.66
6. Step 6: Final answer
   x = 2,327.12