Finding the Fourth Proportional to 3,280.82, 4,919.36 and 1,088.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,280.82 : 4,919.36 = 1,088.96 : x
2. Step 2: Convert to fraction form
   3,280.82/4,919.36 = 1,088.96/x
3. Step 3: Cross multiply
   3,280.82x = 4,919.36 × 1,088.96
4. Step 4: Simplify right side
   3,280.82x = 5,356,986.27
5. Step 5: Solve for x
   x = 5,356,986.27/3,280.82
6. Step 6: Final answer
   x = 1,632.82