Finding the Fourth Proportional to 111.32, 167.59 and 101.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111.32 : 167.59 = 101.76 : x
2. Step 2: Convert to fraction form
   111.32/167.59 = 101.76/x
3. Step 3: Cross multiply
   111.32x = 167.59 × 101.76
4. Step 4: Simplify right side
   111.32x = 17,053.37
5. Step 5: Solve for x
   x = 17,053.37/111.32
6. Step 6: Final answer
   x = 153.20