Finding the Fourth Proportional to 1,413.27, 2,119.32 and 797.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.27 : 2,119.32 = 797.31 : x
2. Step 2: Convert to fraction form
   1,413.27/2,119.32 = 797.31/x
3. Step 3: Cross multiply
   1,413.27x = 2,119.32 × 797.31
4. Step 4: Simplify right side
   1,413.27x = 1,689,755.03
5. Step 5: Solve for x
   x = 1,689,755.03/1,413.27
6. Step 6: Final answer
   x = 1,195.63