Finding the Fourth Proportional to 40,305.33, 55,618.79 and 22,399.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,305.33 : 55,618.79 = 22,399.25 : x
2. Step 2: Convert to fraction form
   40,305.33/55,618.79 = 22,399.25/x
3. Step 3: Cross multiply
   40,305.33x = 55,618.79 × 22,399.25
4. Step 4: Simplify right side
   40,305.33x = 1,245,818,791.82
5. Step 5: Solve for x
   x = 1,245,818,791.82/40,305.33
6. Step 6: Final answer
   x = 30,909.53