Finding the Fourth Proportional to 40,172.28, 55,435.71 and 22,267.09

Step by Step Solution

1. Step 1: Write the proportion equation
   40,172.28 : 55,435.71 = 22,267.09 : x
2. Step 2: Convert to fraction form
   40,172.28/55,435.71 = 22,267.09/x
3. Step 3: Cross multiply
   40,172.28x = 55,435.71 × 22,267.09
4. Step 4: Simplify right side
   40,172.28x = 1,234,391,943.78
5. Step 5: Solve for x
   x = 1,234,391,943.78/40,172.28
6. Step 6: Final answer
   x = 30,727.46