Finding the Fourth Proportional to 109.25, 162.76 and 104.59

Step by Step Solution

1. Step 1: Write the proportion equation
   109.25 : 162.76 = 104.59 : x
2. Step 2: Convert to fraction form
   109.25/162.76 = 104.59/x
3. Step 3: Cross multiply
   109.25x = 162.76 × 104.59
4. Step 4: Simplify right side
   109.25x = 17,022.55
5. Step 5: Solve for x
   x = 17,022.55/109.25
6. Step 6: Final answer
   x = 155.82