Finding the Fourth Proportional to 40,022.22, 55,227.74 and 22,116.98

Step by Step Solution

1. Step 1: Write the proportion equation
   40,022.22 : 55,227.74 = 22,116.98 : x
2. Step 2: Convert to fraction form
   40,022.22/55,227.74 = 22,116.98/x
3. Step 3: Cross multiply
   40,022.22x = 55,227.74 × 22,116.98
4. Step 4: Simplify right side
   40,022.22x = 1,221,470,821.03
5. Step 5: Solve for x
   x = 1,221,470,821.03/40,022.22
6. Step 6: Final answer
   x = 30,519.82