Finding the Fourth Proportional to 158.43, 237.57 and 100.71

Step by Step Solution

1. Step 1: Write the proportion equation
   158.43 : 237.57 = 100.71 : x
2. Step 2: Convert to fraction form
   158.43/237.57 = 100.71/x
3. Step 3: Cross multiply
   158.43x = 237.57 × 100.71
4. Step 4: Simplify right side
   158.43x = 23,925.67
5. Step 5: Solve for x
   x = 23,925.67/158.43
6. Step 6: Final answer
   x = 151.02