Finding the Fourth Proportional to 114.49, 171.76 and 42.34

Step by Step Solution

1. Step 1: Write the proportion equation
   114.49 : 171.76 = 42.34 : x
2. Step 2: Convert to fraction form
   114.49/171.76 = 42.34/x
3. Step 3: Cross multiply
   114.49x = 171.76 × 42.34
4. Step 4: Simplify right side
   114.49x = 7,272.32
5. Step 5: Solve for x
   x = 7,272.32/114.49
6. Step 6: Final answer
   x = 63.52