Finding the Fourth Proportional to 1,068,631,648.52, 1,474,766,105.15 and 616,341,417.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068,631,648.52 : 1,474,766,105.15 = 616,341,417.40 : x
2. Step 2: Convert to fraction form
   1,068,631,648.52/1,474,766,105.15 = 616,341,417.40/x
3. Step 3: Cross multiply
   1,068,631,648.52x = 1,474,766,105.15 × 616,341,417.40
4. Step 4: Simplify right side
   1,068,631,648.52x = 908,959,431,585,012,736
5. Step 5: Solve for x
   x = 908,959,431,585,012,736/1,068,631,648.52
6. Step 6: Final answer
   x = 850,582,549.05