Finding the Fourth Proportional to 304.18, 456.18 and 111.82

Step by Step Solution

1. Step 1: Write the proportion equation
   304.18 : 456.18 = 111.82 : x
2. Step 2: Convert to fraction form
   304.18/456.18 = 111.82/x
3. Step 3: Cross multiply
   304.18x = 456.18 × 111.82
4. Step 4: Simplify right side
   304.18x = 51,010.05
5. Step 5: Solve for x
   x = 51,010.05/304.18
6. Step 6: Final answer
   x = 167.70