Finding the Fourth Proportional to 2,312,862,276.72, 3,469,293,327.60 and 677,086,878.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,312,862,276.72 : 3,469,293,327.60 = 677,086,878.72 : x
2. Step 2: Convert to fraction form
   2,312,862,276.72/3,469,293,327.60 = 677,086,878.72/x
3. Step 3: Cross multiply
   2,312,862,276.72x = 3,469,293,327.60 × 677,086,878.72
4. Step 4: Simplify right side
   2,312,862,276.72x = 2,349,012,990,548,806,656
5. Step 5: Solve for x
   x = 2,349,012,990,548,806,656/2,312,862,276.72
6. Step 6: Final answer
   x = 1,015,630,292.47