Finding the Fourth Proportional to 111.46, 168.02 and 104.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111.46 : 168.02 = 104.03 : x
2. Step 2: Convert to fraction form
   111.46/168.02 = 104.03/x
3. Step 3: Cross multiply
   111.46x = 168.02 × 104.03
4. Step 4: Simplify right side
   111.46x = 17,479.37
5. Step 5: Solve for x
   x = 17,479.37/111.46
6. Step 6: Final answer
   x = 156.82