Finding the Fourth Proportional to 104.06, 155.87 and 69.83

Step by Step Solution

1. Step 1: Write the proportion equation
   104.06 : 155.87 = 69.83 : x
2. Step 2: Convert to fraction form
   104.06/155.87 = 69.83/x
3. Step 3: Cross multiply
   104.06x = 155.87 × 69.83
4. Step 4: Simplify right side
   104.06x = 10,883.27
5. Step 5: Solve for x
   x = 10,883.27/104.06
6. Step 6: Final answer
   x = 104.59