Finding the Fourth Proportional to 114.52, 171.78 and 42.34

Step by Step Solution

1. Step 1: Write the proportion equation
   114.52 : 171.78 = 42.34 : x
2. Step 2: Convert to fraction form
   114.52/171.78 = 42.34/x
3. Step 3: Cross multiply
   114.52x = 171.78 × 42.34
4. Step 4: Simplify right side
   114.52x = 7,273.17
5. Step 5: Solve for x
   x = 7,273.17/114.52
6. Step 6: Final answer
   x = 63.51