Finding the Fourth Proportional to 2,373,776,469.95, 3,561,207,069.98 and 821,066,481.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373,776,469.95 : 3,561,207,069.98 = 821,066,481.23 : x
2. Step 2: Convert to fraction form
   2,373,776,469.95/3,561,207,069.98 = 821,066,481.23/x
3. Step 3: Cross multiply
   2,373,776,469.95x = 3,561,207,069.98 × 821,066,481.23
4. Step 4: Simplify right side
   2,373,776,469.95x = 2,923,987,757,864,123,904
5. Step 5: Solve for x
   x = 2,923,987,757,864,123,904/2,373,776,469.95
6. Step 6: Final answer
   x = 1,231,787,320.70