Finding the Fourth Proportional to 2,068,644,315.06, 2,854,789,446.33 and 1,128,907,490.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068,644,315.06 : 2,854,789,446.33 = 1,128,907,490.13 : x
2. Step 2: Convert to fraction form
   2,068,644,315.06/2,854,789,446.33 = 1,128,907,490.13/x
3. Step 3: Cross multiply
   2,068,644,315.06x = 2,854,789,446.33 × 1,128,907,490.13
4. Step 4: Simplify right side
   2,068,644,315.06x = 3,222,793,188,706,012,672
5. Step 5: Solve for x
   x = 3,222,793,188,706,012,672/2,068,644,315.06
6. Step 6: Final answer
   x = 1,557,925,238.88