Finding the Fourth Proportional to 11,940.86, 16,474.02 and 7,223.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,940.86 : 16,474.02 = 7,223.42 : x
2. Step 2: Convert to fraction form
   11,940.86/16,474.02 = 7,223.42/x
3. Step 3: Cross multiply
   11,940.86x = 16,474.02 × 7,223.42
4. Step 4: Simplify right side
   11,940.86x = 118,998,765.55
5. Step 5: Solve for x
   x = 118,998,765.55/11,940.86
6. Step 6: Final answer
   x = 9,965.68