Finding the Fourth Proportional to 22,174.50, 30,600.85 and 12,238.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,174.50 : 30,600.85 = 12,238.50 : x
2. Step 2: Convert to fraction form
   22,174.50/30,600.85 = 12,238.50/x
3. Step 3: Cross multiply
   22,174.50x = 30,600.85 × 12,238.50
4. Step 4: Simplify right side
   22,174.50x = 374,508,502.73
5. Step 5: Solve for x
   x = 374,508,502.73/22,174.50
6. Step 6: Final answer
   x = 16,889.15