Finding the Fourth Proportional to 362.72, 544.12 and 102.72

Step by Step Solution

1. Step 1: Write the proportion equation
   362.72 : 544.12 = 102.72 : x
2. Step 2: Convert to fraction form
   362.72/544.12 = 102.72/x
3. Step 3: Cross multiply
   362.72x = 544.12 × 102.72
4. Step 4: Simplify right side
   362.72x = 55,892.01
5. Step 5: Solve for x
   x = 55,892.01/362.72
6. Step 6: Final answer
   x = 154.09