Finding the Fourth Proportional to 40,171.67, 55,436.76 and 22,266.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,171.67 : 55,436.76 = 22,266.50 : x
2. Step 2: Convert to fraction form
   40,171.67/55,436.76 = 22,266.50/x
3. Step 3: Cross multiply
   40,171.67x = 55,436.76 × 22,266.50
4. Step 4: Simplify right side
   40,171.67x = 1,234,382,616.54
5. Step 5: Solve for x
   x = 1,234,382,616.54/40,171.67
6. Step 6: Final answer
   x = 30,727.69