Finding the Fourth Proportional to 22,133.24, 30,542.78 and 12,061.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,133.24 : 30,542.78 = 12,061.64 : x
2. Step 2: Convert to fraction form
   22,133.24/30,542.78 = 12,061.64/x
3. Step 3: Cross multiply
   22,133.24x = 30,542.78 × 12,061.64
4. Step 4: Simplify right side
   22,133.24x = 368,396,112.89
5. Step 5: Solve for x
   x = 368,396,112.89/22,133.24
6. Step 6: Final answer
   x = 16,644.48