Finding the Fourth Proportional to 114.41, 171.69 and 42.27

Step by Step Solution

1. Step 1: Write the proportion equation
   114.41 : 171.69 = 42.27 : x
2. Step 2: Convert to fraction form
   114.41/171.69 = 42.27/x
3. Step 3: Cross multiply
   114.41x = 171.69 × 42.27
4. Step 4: Simplify right side
   114.41x = 7,256.27
5. Step 5: Solve for x
   x = 7,256.27/114.41
6. Step 6: Final answer
   x = 63.43