Finding the Fourth Proportional to 2,093,208,642.78, 2,888,689,544.31 and 1,153,471,819.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093,208,642.78 : 2,888,689,544.31 = 1,153,471,819.15 : x
2. Step 2: Convert to fraction form
   2,093,208,642.78/2,888,689,544.31 = 1,153,471,819.15/x
3. Step 3: Cross multiply
   2,093,208,642.78x = 2,888,689,544.31 × 1,153,471,819.15
4. Step 4: Simplify right side
   2,093,208,642.78x = 3,332,021,983,641,377,792
5. Step 5: Solve for x
   x = 3,332,021,983,641,377,792/2,093,208,642.78
6. Step 6: Final answer
   x = 1,591,825,064.90