Finding the Fourth Proportional to 11,424.29, 17,103.15 and 6,665.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,424.29 : 17,103.15 = 6,665.92 : x
2. Step 2: Convert to fraction form
   11,424.29/17,103.15 = 6,665.92/x
3. Step 3: Cross multiply
   11,424.29x = 17,103.15 × 6,665.92
4. Step 4: Simplify right side
   11,424.29x = 114,008,186.89
5. Step 5: Solve for x
   x = 114,008,186.89/11,424.29
6. Step 6: Final answer
   x = 9,979.46