Finding the Fourth Proportional to 80,369.81, 120,554.71 and 27,057.33

Step by Step Solution

1. Step 1: Write the proportion equation
   80,369.81 : 120,554.71 = 27,057.33 : x
2. Step 2: Convert to fraction form
   80,369.81/120,554.71 = 27,057.33/x
3. Step 3: Cross multiply
   80,369.81x = 120,554.71 × 27,057.33
4. Step 4: Simplify right side
   80,369.81x = 3,261,888,571.52
5. Step 5: Solve for x
   x = 3,261,888,571.52/80,369.81
6. Step 6: Final answer
   x = 40,585.99