Finding the Fourth Proportional to 158.67, 237.78 and 100.71

Step by Step Solution

1. Step 1: Write the proportion equation
   158.67 : 237.78 = 100.71 : x
2. Step 2: Convert to fraction form
   158.67/237.78 = 100.71/x
3. Step 3: Cross multiply
   158.67x = 237.78 × 100.71
4. Step 4: Simplify right side
   158.67x = 23,946.82
5. Step 5: Solve for x
   x = 23,946.82/158.67
6. Step 6: Final answer
   x = 150.92