Finding the Fourth Proportional to 80,906.82, 111,578.70 and 50,695.38

Step by Step Solution

1. Step 1: Write the proportion equation
   80,906.82 : 111,578.70 = 50,695.38 : x
2. Step 2: Convert to fraction form
   80,906.82/111,578.70 = 50,695.38/x
3. Step 3: Cross multiply
   80,906.82x = 111,578.70 × 50,695.38
4. Step 4: Simplify right side
   80,906.82x = 5,656,524,596.41
5. Step 5: Solve for x
   x = 5,656,524,596.41/80,906.82
6. Step 6: Final answer
   x = 69,914.06