Finding the Fourth Proportional to 3,198.16, 4,413.72 and 1,801

Step by Step Solution

1. Step 1: Write the proportion equation
   3,198.16 : 4,413.72 = 1,801 : x
2. Step 2: Convert to fraction form
   3,198.16/4,413.72 = 1,801/x
3. Step 3: Cross multiply
   3,198.16x = 4,413.72 × 1,801
4. Step 4: Simplify right side
   3,198.16x = 7,949,109.72
5. Step 5: Solve for x
   x = 7,949,109.72/3,198.16
6. Step 6: Final answer
   x = 2,485.53