Finding the Fourth Proportional to 40,185.59, 55,454.06 and 22,280.42

Step by Step Solution

1. Step 1: Write the proportion equation
   40,185.59 : 55,454.06 = 22,280.42 : x
2. Step 2: Convert to fraction form
   40,185.59/55,454.06 = 22,280.42/x
3. Step 3: Cross multiply
   40,185.59x = 55,454.06 × 22,280.42
4. Step 4: Simplify right side
   40,185.59x = 1,235,539,358.83
5. Step 5: Solve for x
   x = 1,235,539,358.83/40,185.59
6. Step 6: Final answer
   x = 30,745.83