Finding the Fourth Proportional to 80,727.20, 111,406.12 and 50,502.84

Step by Step Solution

1. Step 1: Write the proportion equation
   80,727.20 : 111,406.12 = 50,502.84 : x
2. Step 2: Convert to fraction form
   80,727.20/111,406.12 = 50,502.84/x
3. Step 3: Cross multiply
   80,727.20x = 111,406.12 × 50,502.84
4. Step 4: Simplify right side
   80,727.20x = 5,626,325,453.38
5. Step 5: Solve for x
   x = 5,626,325,453.38/80,727.20
6. Step 6: Final answer
   x = 69,695.54