Finding the Fourth Proportional to 83.25, 114.89 and 50.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83.25 : 114.89 = 50.56 : x
2. Step 2: Convert to fraction form
   83.25/114.89 = 50.56/x
3. Step 3: Cross multiply
   83.25x = 114.89 × 50.56
4. Step 4: Simplify right side
   83.25x = 5,808.30
5. Step 5: Solve for x
   x = 5,808.30/83.25
6. Step 6: Final answer
   x = 69.77