Finding the Fourth Proportional to 104.86, 144.71 and 69.83

Step by Step Solution

1. Step 1: Write the proportion equation
   104.86 : 144.71 = 69.83 : x
2. Step 2: Convert to fraction form
   104.86/144.71 = 69.83/x
3. Step 3: Cross multiply
   104.86x = 144.71 × 69.83
4. Step 4: Simplify right side
   104.86x = 10,104.55
5. Step 5: Solve for x
   x = 10,104.55/104.86
6. Step 6: Final answer
   x = 96.36