Finding the Fourth Proportional to 9,665.92, 14,490.42 and 3,424.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.92 : 14,490.42 = 3,424.96 : x
2. Step 2: Convert to fraction form
   9,665.92/14,490.42 = 3,424.96/x
3. Step 3: Cross multiply
   9,665.92x = 14,490.42 × 3,424.96
4. Step 4: Simplify right side
   9,665.92x = 49,629,108.88
5. Step 5: Solve for x
   x = 49,629,108.88/9,665.92
6. Step 6: Final answer
   x = 5,134.44