Finding the Fourth Proportional to 22,123.27, 30,530.09 and 12,187.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,123.27 : 30,530.09 = 12,187.27 : x
2. Step 2: Convert to fraction form
   22,123.27/30,530.09 = 12,187.27/x
3. Step 3: Cross multiply
   22,123.27x = 30,530.09 × 12,187.27
4. Step 4: Simplify right side
   22,123.27x = 372,078,297.30
5. Step 5: Solve for x
   x = 372,078,297.30/22,123.27
6. Step 6: Final answer
   x = 16,818.42