Finding the Fourth Proportional to 104.82, 144.71 and 94.42

Step by Step Solution

1. Step 1: Write the proportion equation
   104.82 : 144.71 = 94.42 : x
2. Step 2: Convert to fraction form
   104.82/144.71 = 94.42/x
3. Step 3: Cross multiply
   104.82x = 144.71 × 94.42
4. Step 4: Simplify right side
   104.82x = 13,663.52
5. Step 5: Solve for x
   x = 13,663.52/104.82
6. Step 6: Final answer
   x = 130.35