Finding the Fourth Proportional to 94.50, 141.69 and 42.42

Step by Step Solution

1. Step 1: Write the proportion equation
   94.50 : 141.69 = 42.42 : x
2. Step 2: Convert to fraction form
   94.50/141.69 = 42.42/x
3. Step 3: Cross multiply
   94.50x = 141.69 × 42.42
4. Step 4: Simplify right side
   94.50x = 6,010.49
5. Step 5: Solve for x
   x = 6,010.49/94.50
6. Step 6: Final answer
   x = 63.60