Finding the Fourth Proportional to 158.42, 237.59 and 100.56

Step by Step Solution

1. Step 1: Write the proportion equation
   158.42 : 237.59 = 100.56 : x
2. Step 2: Convert to fraction form
   158.42/237.59 = 100.56/x
3. Step 3: Cross multiply
   158.42x = 237.59 × 100.56
4. Step 4: Simplify right side
   158.42x = 23,892.05
5. Step 5: Solve for x
   x = 23,892.05/158.42
6. Step 6: Final answer
   x = 150.81