Finding the Fourth Proportional to 1,640,606,327.98, 2,461,019,208.91 and 576,902,096.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,640,606,327.98 : 2,461,019,208.91 = 576,902,096.02 : x
2. Step 2: Convert to fraction form
   1,640,606,327.98/2,461,019,208.91 = 576,902,096.02/x
3. Step 3: Cross multiply
   1,640,606,327.98x = 2,461,019,208.91 × 576,902,096.02
4. Step 4: Simplify right side
   1,640,606,327.98x = 1,419,767,139,962,776,832
5. Step 5: Solve for x
   x = 1,419,767,139,962,776,832/1,640,606,327.98
6. Step 6: Final answer
   x = 865,391,724.85