Finding the Fourth Proportional to 111.37, 167.72 and 101.13

Step by Step Solution

1. Step 1: Write the proportion equation
   111.37 : 167.72 = 101.13 : x
2. Step 2: Convert to fraction form
   111.37/167.72 = 101.13/x
3. Step 3: Cross multiply
   111.37x = 167.72 × 101.13
4. Step 4: Simplify right side
   111.37x = 16,961.27
5. Step 5: Solve for x
   x = 16,961.27/111.37
6. Step 6: Final answer
   x = 152.30