Finding the Fourth Proportional to 21,843,514, 30,144,062.28 and 12,185,722

Step by Step Solution

1. Step 1: Write the proportion equation
   21,843,514 : 30,144,062.28 = 12,185,722 : x
2. Step 2: Convert to fraction form
   21,843,514/30,144,062.28 = 12,185,722/x
3. Step 3: Cross multiply
   21,843,514x = 30,144,062.28 × 12,185,722
4. Step 4: Simplify right side
   21,843,514x = 367,327,162,894,766.19
5. Step 5: Solve for x
   x = 367,327,162,894,766.19/21,843,514
6. Step 6: Final answer
   x = 16,816,303.59