Finding the Fourth Proportional to 22,153.47, 30,571.41 and 12,081.99

Step by Step Solution

1. Step 1: Write the proportion equation
   22,153.47 : 30,571.41 = 12,081.99 : x
2. Step 2: Convert to fraction form
   22,153.47/30,571.41 = 12,081.99/x
3. Step 3: Cross multiply
   22,153.47x = 30,571.41 × 12,081.99
4. Step 4: Simplify right side
   22,153.47x = 369,363,469.91
5. Step 5: Solve for x
   x = 369,363,469.91/22,153.47
6. Step 6: Final answer
   x = 16,672.94