Finding the Fourth Proportional to 2,178.52, 3,268.50 and 880.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.52 : 3,268.50 = 880.84 : x
2. Step 2: Convert to fraction form
   2,178.52/3,268.50 = 880.84/x
3. Step 3: Cross multiply
   2,178.52x = 3,268.50 × 880.84
4. Step 4: Simplify right side
   2,178.52x = 2,879,025.54
5. Step 5: Solve for x
   x = 2,879,025.54/2,178.52
6. Step 6: Final answer
   x = 1,321.55