Finding the Fourth Proportional to 22,171.50, 30,596.67 and 12,235.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,171.50 : 30,596.67 = 12,235.50 : x
2. Step 2: Convert to fraction form
   22,171.50/30,596.67 = 12,235.50/x
3. Step 3: Cross multiply
   22,171.50x = 30,596.67 × 12,235.50
4. Step 4: Simplify right side
   22,171.50x = 374,365,555.79
5. Step 5: Solve for x
   x = 374,365,555.79/22,171.50
6. Step 6: Final answer
   x = 16,884.99