Finding the Fourth Proportional to 40,141.05, 55,396.20 and 22,235.69

Step by Step Solution

1. Step 1: Write the proportion equation
   40,141.05 : 55,396.20 = 22,235.69 : x
2. Step 2: Convert to fraction form
   40,141.05/55,396.20 = 22,235.69/x
3. Step 3: Cross multiply
   40,141.05x = 55,396.20 × 22,235.69
4. Step 4: Simplify right side
   40,141.05x = 1,231,772,952.25
5. Step 5: Solve for x
   x = 1,231,772,952.25/40,141.05
6. Step 6: Final answer
   x = 30,686.12