Finding the Fourth Proportional to 2,645,458,464.63, 3,968,273,642.04 and 779,947,723.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,458,464.63 : 3,968,273,642.04 = 779,947,723.83 : x
2. Step 2: Convert to fraction form
   2,645,458,464.63/3,968,273,642.04 = 779,947,723.83/x
3. Step 3: Cross multiply
   2,645,458,464.63x = 3,968,273,642.04 × 779,947,723.83
4. Step 4: Simplify right side
   2,645,458,464.63x = 3,095,045,994,643,682,304
5. Step 5: Solve for x
   x = 3,095,045,994,643,682,304/2,645,458,464.63
6. Step 6: Final answer
   x = 1,169,946,924.52