Finding the Fourth Proportional to 10,103.80, 13,944.89 and 7,709.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,103.80 : 13,944.89 = 7,709.24 : x
2. Step 2: Convert to fraction form
   10,103.80/13,944.89 = 7,709.24/x
3. Step 3: Cross multiply
   10,103.80x = 13,944.89 × 7,709.24
4. Step 4: Simplify right side
   10,103.80x = 107,504,479.48
5. Step 5: Solve for x
   x = 107,504,479.48/10,103.80
6. Step 6: Final answer
   x = 10,640.01