Finding the Fourth Proportional to 111.34, 167.00 and 30.19

Step by Step Solution

1. Step 1: Write the proportion equation
   111.34 : 167.00 = 30.19 : x
2. Step 2: Convert to fraction form
   111.34/167.00 = 30.19/x
3. Step 3: Cross multiply
   111.34x = 167.00 × 30.19
4. Step 4: Simplify right side
   111.34x = 5,041.53
5. Step 5: Solve for x
   x = 5,041.53/111.34
6. Step 6: Final answer
   x = 45.28