Finding the Fourth Proportional to 10,872.49, 16,311.36 and 3,375.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872.49 : 16,311.36 = 3,375.82 : x
2. Step 2: Convert to fraction form
   10,872.49/16,311.36 = 3,375.82/x
3. Step 3: Cross multiply
   10,872.49x = 16,311.36 × 3,375.82
4. Step 4: Simplify right side
   10,872.49x = 55,064,215.32
5. Step 5: Solve for x
   x = 55,064,215.32/10,872.49
6. Step 6: Final answer
   x = 5,064.55