Finding the Fourth Proportional to 10,976.30, 15,147.32 and 5,940.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,976.30 : 15,147.32 = 5,940.57 : x
2. Step 2: Convert to fraction form
   10,976.30/15,147.32 = 5,940.57/x
3. Step 3: Cross multiply
   10,976.30x = 15,147.32 × 5,940.57
4. Step 4: Simplify right side
   10,976.30x = 89,983,622.42
5. Step 5: Solve for x
   x = 89,983,622.42/10,976.30
6. Step 6: Final answer
   x = 8,197.99