Finding the Fourth Proportional to 22,152.71, 30,570.80 and 12,081.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,152.71 : 30,570.80 = 12,081.22 : x
2. Step 2: Convert to fraction form
   22,152.71/30,570.80 = 12,081.22/x
3. Step 3: Cross multiply
   22,152.71x = 30,570.80 × 12,081.22
4. Step 4: Simplify right side
   22,152.71x = 369,332,423.54
5. Step 5: Solve for x
   x = 369,332,423.54/22,152.71
6. Step 6: Final answer
   x = 16,672.11