Finding the Fourth Proportional to 162.33, 243.01 and 123.96

Step by Step Solution

1. Step 1: Write the proportion equation
   162.33 : 243.01 = 123.96 : x
2. Step 2: Convert to fraction form
   162.33/243.01 = 123.96/x
3. Step 3: Cross multiply
   162.33x = 243.01 × 123.96
4. Step 4: Simplify right side
   162.33x = 30,123.52
5. Step 5: Solve for x
   x = 30,123.52/162.33
6. Step 6: Final answer
   x = 185.57