Finding the Fourth Proportional to 10,105.91, 13,945.44 and 5,568.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.91 : 13,945.44 = 5,568.40 : x
2. Step 2: Convert to fraction form
   10,105.91/13,945.44 = 5,568.40/x
3. Step 3: Cross multiply
   10,105.91x = 13,945.44 × 5,568.40
4. Step 4: Simplify right side
   10,105.91x = 77,653,788.10
5. Step 5: Solve for x
   x = 77,653,788.10/10,105.91
6. Step 6: Final answer
   x = 7,684.00