Finding the Fourth Proportional to 2,620,659,632.50, 3,931,541,608.10 and 849,892,277.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,659,632.50 : 3,931,541,608.10 = 849,892,277.31 : x
2. Step 2: Convert to fraction form
   2,620,659,632.50/3,931,541,608.10 = 849,892,277.31/x
3. Step 3: Cross multiply
   2,620,659,632.50x = 3,931,541,608.10 × 849,892,277.31
4. Step 4: Simplify right side
   2,620,659,632.50x = 3,341,386,850,647,128,064
5. Step 5: Solve for x
   x = 3,341,386,850,647,128,064/2,620,659,632.50
6. Step 6: Final answer
   x = 1,275,017,483.85