Finding the Fourth Proportional to 94.22, 141.32 and 42.16

Step by Step Solution

1. Step 1: Write the proportion equation
   94.22 : 141.32 = 42.16 : x
2. Step 2: Convert to fraction form
   94.22/141.32 = 42.16/x
3. Step 3: Cross multiply
   94.22x = 141.32 × 42.16
4. Step 4: Simplify right side
   94.22x = 5,958.35
5. Step 5: Solve for x
   x = 5,958.35/94.22
6. Step 6: Final answer
   x = 63.24