Finding the Fourth Proportional to 10,995.89, 15,174.24 and 5,960.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995.89 : 15,174.24 = 5,960.12 : x
2. Step 2: Convert to fraction form
   10,995.89/15,174.24 = 5,960.12/x
3. Step 3: Cross multiply
   10,995.89x = 15,174.24 × 5,960.12
4. Step 4: Simplify right side
   10,995.89x = 90,440,291.31
5. Step 5: Solve for x
   x = 90,440,291.31/10,995.89
6. Step 6: Final answer
   x = 8,224.92