Finding the Fourth Proportional to 2,635,688,096.72, 3,950,752,544.24 and 864,596,338.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635,688,096.72 : 3,950,752,544.24 = 864,596,338.08 : x
2. Step 2: Convert to fraction form
   2,635,688,096.72/3,950,752,544.24 = 864,596,338.08/x
3. Step 3: Cross multiply
   2,635,688,096.72x = 3,950,752,544.24 × 864,596,338.08
4. Step 4: Simplify right side
   2,635,688,096.72x = 3,415,806,182,410,147,328
5. Step 5: Solve for x
   x = 3,415,806,182,410,147,328/2,635,688,096.72
6. Step 6: Final answer
   x = 1,295,982,702.45