Finding the Fourth Proportional to 40,171.20, 55,435.69 and 22,265.82

Step by Step Solution

1. Step 1: Write the proportion equation
   40,171.20 : 55,435.69 = 22,265.82 : x
2. Step 2: Convert to fraction form
   40,171.20/55,435.69 = 22,265.82/x
3. Step 3: Cross multiply
   40,171.20x = 55,435.69 × 22,265.82
4. Step 4: Simplify right side
   40,171.20x = 1,234,321,095.12
5. Step 5: Solve for x
   x = 1,234,321,095.12/40,171.20
6. Step 6: Final answer
   x = 30,726.52