Finding the Fourth Proportional to 94.31, 141.48 and 42.24

Step by Step Solution

1. Step 1: Write the proportion equation
   94.31 : 141.48 = 42.24 : x
2. Step 2: Convert to fraction form
   94.31/141.48 = 42.24/x
3. Step 3: Cross multiply
   94.31x = 141.48 × 42.24
4. Step 4: Simplify right side
   94.31x = 5,976.12
5. Step 5: Solve for x
   x = 5,976.12/94.31
6. Step 6: Final answer
   x = 63.37