Finding the Fourth Proportional to 11,960.16, 17,921.92 and 6,118.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,960.16 : 17,921.92 = 6,118.24 : x
2. Step 2: Convert to fraction form
   11,960.16/17,921.92 = 6,118.24/x
3. Step 3: Cross multiply
   11,960.16x = 17,921.92 × 6,118.24
4. Step 4: Simplify right side
   11,960.16x = 109,650,607.82
5. Step 5: Solve for x
   x = 109,650,607.82/11,960.16
6. Step 6: Final answer
   x = 9,167.99