Finding the Fourth Proportional to 131.96, 182.42 and 104.52

Step by Step Solution

1. Step 1: Write the proportion equation
   131.96 : 182.42 = 104.52 : x
2. Step 2: Convert to fraction form
   131.96/182.42 = 104.52/x
3. Step 3: Cross multiply
   131.96x = 182.42 × 104.52
4. Step 4: Simplify right side
   131.96x = 19,066.54
5. Step 5: Solve for x
   x = 19,066.54/131.96
6. Step 6: Final answer
   x = 144.49