Finding the Fourth Proportional to 11,145, 16,725.18 and 3,849

Step by Step Solution

1. Step 1: Write the proportion equation
   11,145 : 16,725.18 = 3,849 : x
2. Step 2: Convert to fraction form
   11,145/16,725.18 = 3,849/x
3. Step 3: Cross multiply
   11,145x = 16,725.18 × 3,849
4. Step 4: Simplify right side
   11,145x = 64,375,217.82
5. Step 5: Solve for x
   x = 64,375,217.82/11,145
6. Step 6: Final answer
   x = 5,776.15