Finding the Fourth Proportional to 111.34, 167.01 and 30.17

Step by Step Solution

1. Step 1: Write the proportion equation
   111.34 : 167.01 = 30.17 : x
2. Step 2: Convert to fraction form
   111.34/167.01 = 30.17/x
3. Step 3: Cross multiply
   111.34x = 167.01 × 30.17
4. Step 4: Simplify right side
   111.34x = 5,039.11
5. Step 5: Solve for x
   x = 5,039.11/111.34
6. Step 6: Final answer
   x = 45.26