Finding the Fourth Proportional to 134.38, 185.16 and 111.03

Step by Step Solution

1. Step 1: Write the proportion equation
   134.38 : 185.16 = 111.03 : x
2. Step 2: Convert to fraction form
   134.38/185.16 = 111.03/x
3. Step 3: Cross multiply
   134.38x = 185.16 × 111.03
4. Step 4: Simplify right side
   134.38x = 20,558.31
5. Step 5: Solve for x
   x = 20,558.31/134.38
6. Step 6: Final answer
   x = 152.99