Finding the Fourth Proportional to 10,105.35, 13,944.13 and 5,628.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.35 : 13,944.13 = 5,628.79 : x
2. Step 2: Convert to fraction form
   10,105.35/13,944.13 = 5,628.79/x
3. Step 3: Cross multiply
   10,105.35x = 13,944.13 × 5,628.79
4. Step 4: Simplify right side
   10,105.35x = 78,488,509.78
5. Step 5: Solve for x
   x = 78,488,509.78/10,105.35
6. Step 6: Final answer
   x = 7,767.03