Finding the Fourth Proportional to 1,456,735,656.18, 2,185,820,946.06 and 680,268,468.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,735,656.18 : 2,185,820,946.06 = 680,268,468.72 : x
2. Step 2: Convert to fraction form
   1,456,735,656.18/2,185,820,946.06 = 680,268,468.72/x
3. Step 3: Cross multiply
   1,456,735,656.18x = 2,185,820,946.06 × 680,268,468.72
4. Step 4: Simplify right side
   1,456,735,656.18x = 1,486,945,067,872,337,920
5. Step 5: Solve for x
   x = 1,486,945,067,872,337,920/1,456,735,656.18
6. Step 6: Final answer
   x = 1,020,737,744.40