Finding the Fourth Proportional to 114.37, 171.57 and 42.22

Step by Step Solution

1. Step 1: Write the proportion equation
   114.37 : 171.57 = 42.22 : x
2. Step 2: Convert to fraction form
   114.37/171.57 = 42.22/x
3. Step 3: Cross multiply
   114.37x = 171.57 × 42.22
4. Step 4: Simplify right side
   114.37x = 7,243.69
5. Step 5: Solve for x
   x = 7,243.69/114.37
6. Step 6: Final answer
   x = 63.34