Finding the Fourth Proportional to 2,268.10, 3,399.54 and 880.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.10 : 3,399.54 = 880.72 : x
2. Step 2: Convert to fraction form
   2,268.10/3,399.54 = 880.72/x
3. Step 3: Cross multiply
   2,268.10x = 3,399.54 × 880.72
4. Step 4: Simplify right side
   2,268.10x = 2,994,042.87
5. Step 5: Solve for x
   x = 2,994,042.87/2,268.10
6. Step 6: Final answer
   x = 1,320.07