Finding the Fourth Proportional to 8,049.60, 12,067.92 and 7,401.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,049.60 : 12,067.92 = 7,401.60 : x
2. Step 2: Convert to fraction form
   8,049.60/12,067.92 = 7,401.60/x
3. Step 3: Cross multiply
   8,049.60x = 12,067.92 × 7,401.60
4. Step 4: Simplify right side
   8,049.60x = 89,321,916.67
5. Step 5: Solve for x
   x = 89,321,916.67/8,049.60
6. Step 6: Final answer
   x = 11,096.44