Finding the Fourth Proportional to 10,976.28, 15,147.27 and 5,940.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,976.28 : 15,147.27 = 5,940.49 : x
2. Step 2: Convert to fraction form
   10,976.28/15,147.27 = 5,940.49/x
3. Step 3: Cross multiply
   10,976.28x = 15,147.27 × 5,940.49
4. Step 4: Simplify right side
   10,976.28x = 89,982,205.96
5. Step 5: Solve for x
   x = 89,982,205.96/10,976.28
6. Step 6: Final answer
   x = 8,197.88