Finding the Fourth Proportional to 2,665,348.59, 3,998,019.81 and 868,229.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,348.59 : 3,998,019.81 = 868,229.18 : x
2. Step 2: Convert to fraction form
   2,665,348.59/3,998,019.81 = 868,229.18/x
3. Step 3: Cross multiply
   2,665,348.59x = 3,998,019.81 × 868,229.18
4. Step 4: Simplify right side
   2,665,348.59x = 3,471,197,453,413.61
5. Step 5: Solve for x
   x = 3,471,197,453,413.61/2,665,348.59
6. Step 6: Final answer
   x = 1,302,342.77