Finding the Fourth Proportional to 3,280.43, 4,917.69 and 1,198.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,280.43 : 4,917.69 = 1,198.98 : x
2. Step 2: Convert to fraction form
   3,280.43/4,917.69 = 1,198.98/x
3. Step 3: Cross multiply
   3,280.43x = 4,917.69 × 1,198.98
4. Step 4: Simplify right side
   3,280.43x = 5,896,181.37
5. Step 5: Solve for x
   x = 5,896,181.37/3,280.43
6. Step 6: Final answer
   x = 1,797.38