Finding the Fourth Proportional to 22,152.97, 30,570.72 and 12,081.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,152.97 : 30,570.72 = 12,081.49 : x
2. Step 2: Convert to fraction form
   22,152.97/30,570.72 = 12,081.49/x
3. Step 3: Cross multiply
   22,152.97x = 30,570.72 × 12,081.49
4. Step 4: Simplify right side
   22,152.97x = 369,339,847.97
5. Step 5: Solve for x
   x = 369,339,847.97/22,152.97
6. Step 6: Final answer
   x = 16,672.25