Finding the Fourth Proportional to 21,788,922,535.35, 30,067,784,065.77 and 12,143,139,234.09

Step by Step Solution

1. Step 1: Write the proportion equation
   21,788,922,535.35 : 30,067,784,065.77 = 12,143,139,234.09 : x
2. Step 2: Convert to fraction form
   21,788,922,535.35/30,067,784,065.77 = 12,143,139,234.09/x
3. Step 3: Cross multiply
   21,788,922,535.35x = 30,067,784,065.77 × 12,143,139,234.09
4. Step 4: Simplify right side
   21,788,922,535.35x = 365,117,288,371,197,837,312
5. Step 5: Solve for x
   x = 365,117,288,371,197,837,312/21,788,922,535.35
6. Step 6: Final answer
   x = 16,757,014,385.58