Finding the Fourth Proportional to 22,092.56, 30,487.89 and 12,021.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,092.56 : 30,487.89 = 12,021.09 : x
2. Step 2: Convert to fraction form
   22,092.56/30,487.89 = 12,021.09/x
3. Step 3: Cross multiply
   22,092.56x = 30,487.89 × 12,021.09
4. Step 4: Simplify right side
   22,092.56x = 366,497,669.60
5. Step 5: Solve for x
   x = 366,497,669.60/22,092.56
6. Step 6: Final answer
   x = 16,589.19