Finding the Fourth Proportional to 114.82, 158.42 and 65.71

Step by Step Solution

1. Step 1: Write the proportion equation
   114.82 : 158.42 = 65.71 : x
2. Step 2: Convert to fraction form
   114.82/158.42 = 65.71/x
3. Step 3: Cross multiply
   114.82x = 158.42 × 65.71
4. Step 4: Simplify right side
   114.82x = 10,410.14
5. Step 5: Solve for x
   x = 10,410.14/114.82
6. Step 6: Final answer
   x = 90.67