Finding the Fourth Proportional to 10,848, 16,272 and 2,640

Step by Step Solution

1. Step 1: Write the proportion equation
   10,848 : 16,272 = 2,640 : x
2. Step 2: Convert to fraction form
   10,848/16,272 = 2,640/x
3. Step 3: Cross multiply
   10,848x = 16,272 × 2,640
4. Step 4: Simplify right side
   10,848x = 42,958,080
5. Step 5: Solve for x
   x = 42,958,080/10,848
6. Step 6: Final answer
   x = 3,960