Finding the Fourth Proportional to 9,640.48, 14,462.43 and 3,404.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,640.48 : 14,462.43 = 3,404.11 : x
2. Step 2: Convert to fraction form
   9,640.48/14,462.43 = 3,404.11/x
3. Step 3: Cross multiply
   9,640.48x = 14,462.43 × 3,404.11
4. Step 4: Simplify right side
   9,640.48x = 49,231,613.25
5. Step 5: Solve for x
   x = 49,231,613.25/9,640.48
6. Step 6: Final answer
   x = 5,106.76