Finding the Fourth Proportional to 134.50, 185.71 and 103.37

Step by Step Solution

1. Step 1: Write the proportion equation
   134.50 : 185.71 = 103.37 : x
2. Step 2: Convert to fraction form
   134.50/185.71 = 103.37/x
3. Step 3: Cross multiply
   134.50x = 185.71 × 103.37
4. Step 4: Simplify right side
   134.50x = 19,196.37
5. Step 5: Solve for x
   x = 19,196.37/134.50
6. Step 6: Final answer
   x = 142.72