Finding the Fourth Proportional to 9,665.32, 14,502.10 and 4,121.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.32 : 14,502.10 = 4,121.28 : x
2. Step 2: Convert to fraction form
   9,665.32/14,502.10 = 4,121.28/x
3. Step 3: Cross multiply
   9,665.32x = 14,502.10 × 4,121.28
4. Step 4: Simplify right side
   9,665.32x = 59,767,214.69
5. Step 5: Solve for x
   x = 59,767,214.69/9,665.32
6. Step 6: Final answer
   x = 6,183.68