Finding the Fourth Proportional to 108,144, 162,216 and 34,272

Step by Step Solution

1. Step 1: Write the proportion equation
   108,144 : 162,216 = 34,272 : x
2. Step 2: Convert to fraction form
   108,144/162,216 = 34,272/x
3. Step 3: Cross multiply
   108,144x = 162,216 × 34,272
4. Step 4: Simplify right side
   108,144x = 5,559,466,752
5. Step 5: Solve for x
   x = 5,559,466,752/108,144
6. Step 6: Final answer
   x = 51,408