Finding the Fourth Proportional to 2,663,480.76, 3,995,337.78 and 770,413.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663,480.76 : 3,995,337.78 = 770,413.56 : x
2. Step 2: Convert to fraction form
   2,663,480.76/3,995,337.78 = 770,413.56/x
3. Step 3: Cross multiply
   2,663,480.76x = 3,995,337.78 × 770,413.56
4. Step 4: Simplify right side
   2,663,480.76x = 3,078,062,402,492.30
5. Step 5: Solve for x
   x = 3,078,062,402,492.30/2,663,480.76
6. Step 6: Final answer
   x = 1,155,654.08