Finding the Fourth Proportional to 3,929,141,902.78, 5,422,188,242.37 and 2,144,995,355.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,929,141,902.78 : 5,422,188,242.37 = 2,144,995,355.71 : x
2. Step 2: Convert to fraction form
   3,929,141,902.78/5,422,188,242.37 = 2,144,995,355.71/x
3. Step 3: Cross multiply
   3,929,141,902.78x = 5,422,188,242.37 × 2,144,995,355.71
4. Step 4: Simplify right side
   3,929,141,902.78x = 11,630,568,597,669,017,600
5. Step 5: Solve for x
   x = 11,630,568,597,669,017,600/3,929,141,902.78
6. Step 6: Final answer
   x = 2,960,078,532.53