Finding the Fourth Proportional to 2,068,644,561.69, 2,854,789,786.98 and 1,128,907,737.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068,644,561.69 : 2,854,789,786.98 = 1,128,907,737.30 : x
2. Step 2: Convert to fraction form
   2,068,644,561.69/2,854,789,786.98 = 1,128,907,737.30/x
3. Step 3: Cross multiply
   2,068,644,561.69x = 2,854,789,786.98 × 1,128,907,737.30
4. Step 4: Simplify right side
   2,068,644,561.69x = 3,222,794,278,886,740,480
5. Step 5: Solve for x
   x = 3,222,794,278,886,740,480/2,068,644,561.69
6. Step 6: Final answer
   x = 1,557,925,580.15