Finding the Fourth Proportional to 16,206,016,338.65, 22,363,822,221.30 and 8,972,386,208.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,206,016,338.65 : 22,363,822,221.30 = 8,972,386,208.78 : x
2. Step 2: Convert to fraction form
   16,206,016,338.65/22,363,822,221.30 = 8,972,386,208.78/x
3. Step 3: Cross multiply
   16,206,016,338.65x = 22,363,822,221.30 × 8,972,386,208.78
4. Step 4: Simplify right side
   16,206,016,338.65x = 200,656,850,073,887,997,952
5. Step 5: Solve for x
   x = 200,656,850,073,887,997,952/16,206,016,338.65
6. Step 6: Final answer
   x = 12,381,627,037.82