Finding the Fourth Proportional to 158.59, 217.69 and 146.27

Step by Step Solution

1. Step 1: Write the proportion equation
   158.59 : 217.69 = 146.27 : x
2. Step 2: Convert to fraction form
   158.59/217.69 = 146.27/x
3. Step 3: Cross multiply
   158.59x = 217.69 × 146.27
4. Step 4: Simplify right side
   158.59x = 31,841.69
5. Step 5: Solve for x
   x = 31,841.69/158.59
6. Step 6: Final answer
   x = 200.78