Finding the Fourth Proportional to 40,216.23, 55,496.52 and 22,311.05

Step by Step Solution

1. Step 1: Write the proportion equation
   40,216.23 : 55,496.52 = 22,311.05 : x
2. Step 2: Convert to fraction form
   40,216.23/55,496.52 = 22,311.05/x
3. Step 3: Cross multiply
   40,216.23x = 55,496.52 × 22,311.05
4. Step 4: Simplify right side
   40,216.23x = 1,238,185,355.06
5. Step 5: Solve for x
   x = 1,238,185,355.06/40,216.23
6. Step 6: Final answer
   x = 30,788.20