Finding the Fourth Proportional to 83.05, 114.59 and 50.29

Step by Step Solution

1. Step 1: Write the proportion equation
   83.05 : 114.59 = 50.29 : x
2. Step 2: Convert to fraction form
   83.05/114.59 = 50.29/x
3. Step 3: Cross multiply
   83.05x = 114.59 × 50.29
4. Step 4: Simplify right side
   83.05x = 5,762.73
5. Step 5: Solve for x
   x = 5,762.73/83.05
6. Step 6: Final answer
   x = 69.39