Finding the Fourth Proportional to 2,592,435,705.62, 3,888,325,550.54 and 821,823,491.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592,435,705.62 : 3,888,325,550.54 = 821,823,491.57 : x
2. Step 2: Convert to fraction form
   2,592,435,705.62/3,888,325,550.54 = 821,823,491.57/x
3. Step 3: Cross multiply
   2,592,435,705.62x = 3,888,325,550.54 × 821,823,491.57
4. Step 4: Simplify right side
   2,592,435,705.62x = 3,195,517,280,288,238,592
5. Step 5: Solve for x
   x = 3,195,517,280,288,238,592/2,592,435,705.62
6. Step 6: Final answer
   x = 1,232,631,256.15