Finding the Fourth Proportional to 2,635,243,676.76, 3,952,726,297.41 and 864,381,131.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635,243,676.76 : 3,952,726,297.41 = 864,381,131.43 : x
2. Step 2: Convert to fraction form
   2,635,243,676.76/3,952,726,297.41 = 864,381,131.43/x
3. Step 3: Cross multiply
   2,635,243,676.76x = 3,952,726,297.41 × 864,381,131.43
4. Step 4: Simplify right side
   2,635,243,676.76x = 3,416,662,029,188,369,920
5. Step 5: Solve for x
   x = 3,416,662,029,188,369,920/2,635,243,676.76
6. Step 6: Final answer
   x = 1,296,526,032.61