Finding the Fourth Proportional to 2,631,025,608.18, 3,946,231,209.15 and 1,057,069,198.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,025,608.18 : 3,946,231,209.15 = 1,057,069,198.74 : x
2. Step 2: Convert to fraction form
   2,631,025,608.18/3,946,231,209.15 = 1,057,069,198.74/x
3. Step 3: Cross multiply
   2,631,025,608.18x = 3,946,231,209.15 × 1,057,069,198.74
4. Step 4: Simplify right side
   2,631,025,608.18x = 4,171,439,462,298,972,160
5. Step 5: Solve for x
   x = 4,171,439,462,298,972,160/2,631,025,608.18
6. Step 6: Final answer
   x = 1,585,480,372.87