Finding the Fourth Proportional to 103.97, 142.72 and 94.71

Step by Step Solution

1. Step 1: Write the proportion equation
   103.97 : 142.72 = 94.71 : x
2. Step 2: Convert to fraction form
   103.97/142.72 = 94.71/x
3. Step 3: Cross multiply
   103.97x = 142.72 × 94.71
4. Step 4: Simplify right side
   103.97x = 13,517.01
5. Step 5: Solve for x
   x = 13,517.01/103.97
6. Step 6: Final answer
   x = 130.01