Finding the Fourth Proportional to 2,787,382,061.72, 3,846,688,744.85 and 1,517,161,695.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787,382,061.72 : 3,846,688,744.85 = 1,517,161,695.55 : x
2. Step 2: Convert to fraction form
   2,787,382,061.72/3,846,688,744.85 = 1,517,161,695.55/x
3. Step 3: Cross multiply
   2,787,382,061.72x = 3,846,688,744.85 × 1,517,161,695.55
4. Step 4: Simplify right side
   2,787,382,061.72x = 5,836,048,818,408,560,640
5. Step 5: Solve for x
   x = 5,836,048,818,408,560,640/2,787,382,061.72
6. Step 6: Final answer
   x = 2,093,738,385.76