Finding the Fourth Proportional to 10,104.89, 13,944.31 and 5,629.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,104.89 : 13,944.31 = 5,629.12 : x
2. Step 2: Convert to fraction form
   10,104.89/13,944.31 = 5,629.12/x
3. Step 3: Cross multiply
   10,104.89x = 13,944.31 × 5,629.12
4. Step 4: Simplify right side
   10,104.89x = 78,494,145.37
5. Step 5: Solve for x
   x = 78,494,145.37/10,104.89
6. Step 6: Final answer
   x = 7,767.94