Finding the Fourth Proportional to 22,092.29, 30,487.72 and 12,021.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,092.29 : 30,487.72 = 12,021.15 : x
2. Step 2: Convert to fraction form
   22,092.29/30,487.72 = 12,021.15/x
3. Step 3: Cross multiply
   22,092.29x = 30,487.72 × 12,021.15
4. Step 4: Simplify right side
   22,092.29x = 366,497,455.28
5. Step 5: Solve for x
   x = 366,497,455.28/22,092.29
6. Step 6: Final answer
   x = 16,589.38