Finding the Fourth Proportional to 10,039.62, 13,854.77 and 5,563.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,039.62 : 13,854.77 = 5,563.43 : x
2. Step 2: Convert to fraction form
   10,039.62/13,854.77 = 5,563.43/x
3. Step 3: Cross multiply
   10,039.62x = 13,854.77 × 5,563.43
4. Step 4: Simplify right side
   10,039.62x = 77,079,945.97
5. Step 5: Solve for x
   x = 77,079,945.97/10,039.62
6. Step 6: Final answer
   x = 7,677.58