Finding the Fourth Proportional to 81,064.14, 111,870.39 and 50,850.73

Step by Step Solution

1. Step 1: Write the proportion equation
   81,064.14 : 111,870.39 = 50,850.73 : x
2. Step 2: Convert to fraction form
   81,064.14/111,870.39 = 50,850.73/x
3. Step 3: Cross multiply
   81,064.14x = 111,870.39 × 50,850.73
4. Step 4: Simplify right side
   81,064.14x = 5,688,690,996.88
5. Step 5: Solve for x
   x = 5,688,690,996.88/81,064.14
6. Step 6: Final answer
   x = 70,175.18