Finding the Fourth Proportional to 2,153,158,081.88, 3,229,737,119.17 and 517,382,683.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,158,081.88 : 3,229,737,119.17 = 517,382,683.88 : x
2. Step 2: Convert to fraction form
   2,153,158,081.88/3,229,737,119.17 = 517,382,683.88/x
3. Step 3: Cross multiply
   2,153,158,081.88x = 3,229,737,119.17 × 517,382,683.88
4. Step 4: Simplify right side
   2,153,158,081.88x = 1,671,010,058,925,591,808
5. Step 5: Solve for x
   x = 1,671,010,058,925,591,808/2,153,158,081.88
6. Step 6: Final answer
   x = 776,074,024.94