Finding the Fourth Proportional to 2,645,998,698.50, 3,969,595,993.89 and 875,365,264.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,998,698.50 : 3,969,595,993.89 = 875,365,264.27 : x
2. Step 2: Convert to fraction form
   2,645,998,698.50/3,969,595,993.89 = 875,365,264.27/x
3. Step 3: Cross multiply
   2,645,998,698.50x = 3,969,595,993.89 × 875,365,264.27
4. Step 4: Simplify right side
   2,645,998,698.50x = 3,474,846,446,216,804,864
5. Step 5: Solve for x
   x = 3,474,846,446,216,804,864/2,645,998,698.50
6. Step 6: Final answer
   x = 1,313,245,712.55