Finding the Fourth Proportional to 10,976.52, 15,147.60 and 5,940.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,976.52 : 15,147.60 = 5,940.74 : x
2. Step 2: Convert to fraction form
   10,976.52/15,147.60 = 5,940.74/x
3. Step 3: Cross multiply
   10,976.52x = 15,147.60 × 5,940.74
4. Step 4: Simplify right side
   10,976.52x = 89,987,969.91
5. Step 5: Solve for x
   x = 89,987,969.91/10,976.52
6. Step 6: Final answer
   x = 8,198.22