Finding the Fourth Proportional to 111.02, 167.37 and 103.59

Step by Step Solution

1. Step 1: Write the proportion equation
   111.02 : 167.37 = 103.59 : x
2. Step 2: Convert to fraction form
   111.02/167.37 = 103.59/x
3. Step 3: Cross multiply
   111.02x = 167.37 × 103.59
4. Step 4: Simplify right side
   111.02x = 17,337.13
5. Step 5: Solve for x
   x = 17,337.13/111.02
6. Step 6: Final answer
   x = 156.16