Finding the Fourth Proportional to 11,940.62, 16,478.84 and 7,968.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,940.62 : 16,478.84 = 7,968.38 : x
2. Step 2: Convert to fraction form
   11,940.62/16,478.84 = 7,968.38/x
3. Step 3: Cross multiply
   11,940.62x = 16,478.84 × 7,968.38
4. Step 4: Simplify right side
   11,940.62x = 131,309,596.61
5. Step 5: Solve for x
   x = 131,309,596.61/11,940.62
6. Step 6: Final answer
   x = 10,996.89