Finding the Fourth Proportional to 2,700,992,513.52, 4,051,413,187.56 and 860,855,612.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700,992,513.52 : 4,051,413,187.56 = 860,855,612.40 : x
2. Step 2: Convert to fraction form
   2,700,992,513.52/4,051,413,187.56 = 860,855,612.40/x
3. Step 3: Cross multiply
   2,700,992,513.52x = 4,051,413,187.56 × 860,855,612.40
4. Step 4: Simplify right side
   2,700,992,513.52x = 3,487,681,780,662,399,488
5. Step 5: Solve for x
   x = 3,487,681,780,662,399,488/2,700,992,513.52
6. Step 6: Final answer
   x = 1,291,259,329.01