Finding the Fourth Proportional to 104.04, 155.94 and 83.82

Step by Step Solution

1. Step 1: Write the proportion equation
   104.04 : 155.94 = 83.82 : x
2. Step 2: Convert to fraction form
   104.04/155.94 = 83.82/x
3. Step 3: Cross multiply
   104.04x = 155.94 × 83.82
4. Step 4: Simplify right side
   104.04x = 13,070.89
5. Step 5: Solve for x
   x = 13,070.89/104.04
6. Step 6: Final answer
   x = 125.63