Finding the Fourth Proportional to 3,993.57, 5,510.55 and 2,268.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993.57 : 5,510.55 = 2,268.80 : x
2. Step 2: Convert to fraction form
   3,993.57/5,510.55 = 2,268.80/x
3. Step 3: Cross multiply
   3,993.57x = 5,510.55 × 2,268.80
4. Step 4: Simplify right side
   3,993.57x = 12,502,308.29
5. Step 5: Solve for x
   x = 12,502,308.29/3,993.57
6. Step 6: Final answer
   x = 3,130.61