Finding the Fourth Proportional to 21,800,377.76, 30,084,504.77 and 12,010,821.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,800,377.76 : 30,084,504.77 = 12,010,821.94 : x
2. Step 2: Convert to fraction form
   21,800,377.76/30,084,504.77 = 12,010,821.94/x
3. Step 3: Cross multiply
   21,800,377.76x = 30,084,504.77 × 12,010,821.94
4. Step 4: Simplify right side
   21,800,377.76x = 361,339,629,945,550.62
5. Step 5: Solve for x
   x = 361,339,629,945,550.62/21,800,377.76
6. Step 6: Final answer
   x = 16,574,925.17