Finding the Fourth Proportional to 2,813,469,902.96, 4,221,493,612.12 and 1,218,591,981.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,813,469,902.96 : 4,221,493,612.12 = 1,218,591,981.98 : x
2. Step 2: Convert to fraction form
   2,813,469,902.96/4,221,493,612.12 = 1,218,591,981.98/x
3. Step 3: Cross multiply
   2,813,469,902.96x = 4,221,493,612.12 × 1,218,591,981.98
4. Step 4: Simplify right side
   2,813,469,902.96x = 5,144,278,267,705,316,352
5. Step 5: Solve for x
   x = 5,144,278,267,705,316,352/2,813,469,902.96
6. Step 6: Final answer
   x = 1,828,446,169.73