Finding the Fourth Proportional to 2,179.04, 3,268.72 and 880.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.04 : 3,268.72 = 880.48 : x
2. Step 2: Convert to fraction form
   2,179.04/3,268.72 = 880.48/x
3. Step 3: Cross multiply
   2,179.04x = 3,268.72 × 880.48
4. Step 4: Simplify right side
   2,179.04x = 2,878,042.59
5. Step 5: Solve for x
   x = 2,878,042.59/2,179.04
6. Step 6: Final answer
   x = 1,320.78