Finding the Fourth Proportional to 22,662.74, 31,274.85 and 13,711.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662.74 : 31,274.85 = 13,711.22 : x
2. Step 2: Convert to fraction form
   22,662.74/31,274.85 = 13,711.22/x
3. Step 3: Cross multiply
   22,662.74x = 31,274.85 × 13,711.22
4. Step 4: Simplify right side
   22,662.74x = 428,816,348.82
5. Step 5: Solve for x
   x = 428,816,348.82/22,662.74
6. Step 6: Final answer
   x = 18,921.65