Finding the Fourth Proportional to 12,227.72, 18,344.04 and 3,907.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,227.72 : 18,344.04 = 3,907.48 : x
2. Step 2: Convert to fraction form
   12,227.72/18,344.04 = 3,907.48/x
3. Step 3: Cross multiply
   12,227.72x = 18,344.04 × 3,907.48
4. Step 4: Simplify right side
   12,227.72x = 71,678,969.42
5. Step 5: Solve for x
   x = 71,678,969.42/12,227.72
6. Step 6: Final answer
   x = 5,862.01