Finding the Fourth Proportional to 104.38, 144.16 and 69.82

Step by Step Solution

1. Step 1: Write the proportion equation
   104.38 : 144.16 = 69.82 : x
2. Step 2: Convert to fraction form
   104.38/144.16 = 69.82/x
3. Step 3: Cross multiply
   104.38x = 144.16 × 69.82
4. Step 4: Simplify right side
   104.38x = 10,065.25
5. Step 5: Solve for x
   x = 10,065.25/104.38
6. Step 6: Final answer
   x = 96.43