Finding the Fourth Proportional to 10,105.23, 13,945.20 and 5,628.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.23 : 13,945.20 = 5,628.94 : x
2. Step 2: Convert to fraction form
   10,105.23/13,945.20 = 5,628.94/x
3. Step 3: Cross multiply
   10,105.23x = 13,945.20 × 5,628.94
4. Step 4: Simplify right side
   10,105.23x = 78,496,740.31
5. Step 5: Solve for x
   x = 78,496,740.31/10,105.23
6. Step 6: Final answer
   x = 7,767.93