Finding the Fourth Proportional to 82.91, 114.42 and 50.17

Step by Step Solution

1. Step 1: Write the proportion equation
   82.91 : 114.42 = 50.17 : x
2. Step 2: Convert to fraction form
   82.91/114.42 = 50.17/x
3. Step 3: Cross multiply
   82.91x = 114.42 × 50.17
4. Step 4: Simplify right side
   82.91x = 5,740.17
5. Step 5: Solve for x
   x = 5,740.17/82.91
6. Step 6: Final answer
   x = 69.24