Finding the Fourth Proportional to 159.34, 238.71 and 134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159.34 : 238.71 = 134.50 : x
2. Step 2: Convert to fraction form
   159.34/238.71 = 134.50/x
3. Step 3: Cross multiply
   159.34x = 238.71 × 134.50
4. Step 4: Simplify right side
   159.34x = 32,106.50
5. Step 5: Solve for x
   x = 32,106.50/159.34
6. Step 6: Final answer
   x = 201.50