Finding the Fourth Proportional to 80,927.59, 111,694.51 and 50,738.79

Step by Step Solution

1. Step 1: Write the proportion equation
   80,927.59 : 111,694.51 = 50,738.79 : x
2. Step 2: Convert to fraction form
   80,927.59/111,694.51 = 50,738.79/x
3. Step 3: Cross multiply
   80,927.59x = 111,694.51 × 50,738.79
4. Step 4: Simplify right side
   80,927.59x = 5,667,244,287.04
5. Step 5: Solve for x
   x = 5,667,244,287.04/80,927.59
6. Step 6: Final answer
   x = 70,028.58