Finding the Fourth Proportional to 2,420,315,015.73, 3,631,528,513.12 and 847,551,144.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,420,315,015.73 : 3,631,528,513.12 = 847,551,144.61 : x
2. Step 2: Convert to fraction form
   2,420,315,015.73/3,631,528,513.12 = 847,551,144.61/x
3. Step 3: Cross multiply
   2,420,315,015.73x = 3,631,528,513.12 × 847,551,144.61
4. Step 4: Simplify right side
   2,420,315,015.73x = 3,077,906,147,978,707,456
5. Step 5: Solve for x
   x = 3,077,906,147,978,707,456/2,420,315,015.73
6. Step 6: Final answer
   x = 1,271,696,505.61