Finding the Fourth Proportional to 8,584,910,514.10, 12,877,365,771.15 and 5,278,922,341.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,584,910,514.10 : 12,877,365,771.15 = 5,278,922,341.30 : x
2. Step 2: Convert to fraction form
   8,584,910,514.10/12,877,365,771.15 = 5,278,922,341.30/x
3. Step 3: Cross multiply
   8,584,910,514.10x = 12,877,365,771.15 × 5,278,922,341.30
4. Step 4: Simplify right side
   8,584,910,514.10x = 67,978,613,866,415,636,480
5. Step 5: Solve for x
   x = 67,978,613,866,415,636,480/8,584,910,514.10
6. Step 6: Final answer
   x = 7,918,383,511.95