Finding the Fourth Proportional to 94.29, 141.31 and 40.15

Step by Step Solution

1. Step 1: Write the proportion equation
   94.29 : 141.31 = 40.15 : x
2. Step 2: Convert to fraction form
   94.29/141.31 = 40.15/x
3. Step 3: Cross multiply
   94.29x = 141.31 × 40.15
4. Step 4: Simplify right side
   94.29x = 5,673.60
5. Step 5: Solve for x
   x = 5,673.60/94.29
6. Step 6: Final answer
   x = 60.17