Finding the Fourth Proportional to 162.74, 224.61 and 104.69

Step by Step Solution

1. Step 1: Write the proportion equation
   162.74 : 224.61 = 104.69 : x
2. Step 2: Convert to fraction form
   162.74/224.61 = 104.69/x
3. Step 3: Cross multiply
   162.74x = 224.61 × 104.69
4. Step 4: Simplify right side
   162.74x = 23,514.59
5. Step 5: Solve for x
   x = 23,514.59/162.74
6. Step 6: Final answer
   x = 144.49