Finding the Fourth Proportional to 2,568.72, 3,852.84 and 1,107.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.72 : 3,852.84 = 1,107.60 : x
2. Step 2: Convert to fraction form
   2,568.72/3,852.84 = 1,107.60/x
3. Step 3: Cross multiply
   2,568.72x = 3,852.84 × 1,107.60
4. Step 4: Simplify right side
   2,568.72x = 4,267,405.58
5. Step 5: Solve for x
   x = 4,267,405.58/2,568.72
6. Step 6: Final answer
   x = 1,661.30