Finding the Fourth Proportional to 9,747.69, 14,629.91 and 3,908.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,747.69 : 14,629.91 = 3,908.31 : x
2. Step 2: Convert to fraction form
   9,747.69/14,629.91 = 3,908.31/x
3. Step 3: Cross multiply
   9,747.69x = 14,629.91 × 3,908.31
4. Step 4: Simplify right side
   9,747.69x = 57,178,204.01
5. Step 5: Solve for x
   x = 57,178,204.01/9,747.69
6. Step 6: Final answer
   x = 5,865.82