Finding the Fourth Proportional to 22,152.56, 30,571.11 and 12,081.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,152.56 : 30,571.11 = 12,081.42 : x
2. Step 2: Convert to fraction form
   22,152.56/30,571.11 = 12,081.42/x
3. Step 3: Cross multiply
   22,152.56x = 30,571.11 × 12,081.42
4. Step 4: Simplify right side
   22,152.56x = 369,342,466.00
5. Step 5: Solve for x
   x = 369,342,466.00/22,152.56
6. Step 6: Final answer
   x = 16,672.68