Finding the Fourth Proportional to 40,185.69, 55,456.17 and 22,280.24

Step by Step Solution

1. Step 1: Write the proportion equation
   40,185.69 : 55,456.17 = 22,280.24 : x
2. Step 2: Convert to fraction form
   40,185.69/55,456.17 = 22,280.24/x
3. Step 3: Cross multiply
   40,185.69x = 55,456.17 × 22,280.24
4. Step 4: Simplify right side
   40,185.69x = 1,235,576,499.80
5. Step 5: Solve for x
   x = 1,235,576,499.80/40,185.69
6. Step 6: Final answer
   x = 30,746.68