Finding the Fourth Proportional to 2,580,451,250.36, 3,870,665,828.38 and 715,091,618.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580,451,250.36 : 3,870,665,828.38 = 715,091,618.10 : x
2. Step 2: Convert to fraction form
   2,580,451,250.36/3,870,665,828.38 = 715,091,618.10/x
3. Step 3: Cross multiply
   2,580,451,250.36x = 3,870,665,828.38 × 715,091,618.10
4. Step 4: Simplify right side
   2,580,451,250.36x = 2,767,880,690,340,631,040
5. Step 5: Solve for x
   x = 2,767,880,690,340,631,040/2,580,451,250.36
6. Step 6: Final answer
   x = 1,072,634,365.77