Finding the Fourth Proportional to 22,123.88, 30,530.94 and 12,187.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,123.88 : 30,530.94 = 12,187.88 : x
2. Step 2: Convert to fraction form
   22,123.88/30,530.94 = 12,187.88/x
3. Step 3: Cross multiply
   22,123.88x = 30,530.94 × 12,187.88
4. Step 4: Simplify right side
   22,123.88x = 372,107,433.01
5. Step 5: Solve for x
   x = 372,107,433.01/22,123.88
6. Step 6: Final answer
   x = 16,819.27