Finding the Fourth Proportional to 162.24, 242.72 and 123.83

Step by Step Solution

1. Step 1: Write the proportion equation
   162.24 : 242.72 = 123.83 : x
2. Step 2: Convert to fraction form
   162.24/242.72 = 123.83/x
3. Step 3: Cross multiply
   162.24x = 242.72 × 123.83
4. Step 4: Simplify right side
   162.24x = 30,056.02
5. Step 5: Solve for x
   x = 30,056.02/162.24
6. Step 6: Final answer
   x = 185.26