Finding the Fourth Proportional to 94.52, 141.78 and 40.42

Step by Step Solution

1. Step 1: Write the proportion equation
   94.52 : 141.78 = 40.42 : x
2. Step 2: Convert to fraction form
   94.52/141.78 = 40.42/x
3. Step 3: Cross multiply
   94.52x = 141.78 × 40.42
4. Step 4: Simplify right side
   94.52x = 5,730.55
5. Step 5: Solve for x
   x = 5,730.55/94.52
6. Step 6: Final answer
   x = 60.63