Finding the Fourth Proportional to 174.72, 263.52 and 162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   174.72 : 263.52 = 162.72 : x
2. Step 2: Convert to fraction form
   174.72/263.52 = 162.72/x
3. Step 3: Cross multiply
   174.72x = 263.52 × 162.72
4. Step 4: Simplify right side
   174.72x = 42,879.97
5. Step 5: Solve for x
   x = 42,879.97/174.72
6. Step 6: Final answer
   x = 245.42