Finding the Fourth Proportional to 12,788,638,808.05, 17,653,755,627.05 and 7,968,385,340.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,788,638,808.05 : 17,653,755,627.05 = 7,968,385,340.83 : x
2. Step 2: Convert to fraction form
   12,788,638,808.05/17,653,755,627.05 = 7,968,385,340.83/x
3. Step 3: Cross multiply
   12,788,638,808.05x = 17,653,755,627.05 × 7,968,385,340.83
4. Step 4: Simplify right side
   12,788,638,808.05x = 140,671,927,549,207,789,568
5. Step 5: Solve for x
   x = 140,671,927,549,207,789,568/12,788,638,808.05
6. Step 6: Final answer
   x = 10,999,757,649.01