Finding the Fourth Proportional to 10,976.31, 15,147.33 and 5,940.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,976.31 : 15,147.33 = 5,940.54 : x
2. Step 2: Convert to fraction form
   10,976.31/15,147.33 = 5,940.54/x
3. Step 3: Cross multiply
   10,976.31x = 15,147.33 × 5,940.54
4. Step 4: Simplify right side
   10,976.31x = 89,983,398.84
5. Step 5: Solve for x
   x = 89,983,398.84/10,976.31
6. Step 6: Final answer
   x = 8,197.96