Finding the Fourth Proportional to 2,634,346,256.72, 3,951,540,934.32 and 863,691,132.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634,346,256.72 : 3,951,540,934.32 = 863,691,132.96 : x
2. Step 2: Convert to fraction form
   2,634,346,256.72/3,951,540,934.32 = 863,691,132.96/x
3. Step 3: Cross multiply
   2,634,346,256.72x = 3,951,540,934.32 × 863,691,132.96
4. Step 4: Simplify right side
   2,634,346,256.72x = 3,412,910,866,500,658,176
5. Step 5: Solve for x
   x = 3,412,910,866,500,658,176/2,634,346,256.72
6. Step 6: Final answer
   x = 1,295,543,764.53