Finding the Fourth Proportional to 9,103.57, 13,665.08 and 3,913.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.57 : 13,665.08 = 3,913.09 : x
2. Step 2: Convert to fraction form
   9,103.57/13,665.08 = 3,913.09/x
3. Step 3: Cross multiply
   9,103.57x = 13,665.08 × 3,913.09
4. Step 4: Simplify right side
   9,103.57x = 53,472,668.33
5. Step 5: Solve for x
   x = 53,472,668.33/9,103.57
6. Step 6: Final answer
   x = 5,873.81