Finding the Fourth Proportional to 22,153.15, 30,571.59 and 12,081.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,153.15 : 30,571.59 = 12,081.49 : x
2. Step 2: Convert to fraction form
   22,153.15/30,571.59 = 12,081.49/x
3. Step 3: Cross multiply
   22,153.15x = 30,571.59 × 12,081.49
4. Step 4: Simplify right side
   22,153.15x = 369,350,327.75
5. Step 5: Solve for x
   x = 369,350,327.75/22,153.15
6. Step 6: Final answer
   x = 16,672.59