Finding the Fourth Proportional to 12,049.28, 18,067.43 and 3,725.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,049.28 : 18,067.43 = 3,725.72 : x
2. Step 2: Convert to fraction form
   12,049.28/18,067.43 = 3,725.72/x
3. Step 3: Cross multiply
   12,049.28x = 18,067.43 × 3,725.72
4. Step 4: Simplify right side
   12,049.28x = 67,314,076.33
5. Step 5: Solve for x
   x = 67,314,076.33/12,049.28
6. Step 6: Final answer
   x = 5,586.57