Finding the Fourth Proportional to 10,039.59, 13,854.72 and 5,563.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,039.59 : 13,854.72 = 5,563.39 : x
2. Step 2: Convert to fraction form
   10,039.59/13,854.72 = 5,563.39/x
3. Step 3: Cross multiply
   10,039.59x = 13,854.72 × 5,563.39
4. Step 4: Simplify right side
   10,039.59x = 77,079,210.70
5. Step 5: Solve for x
   x = 77,079,210.70/10,039.59
6. Step 6: Final answer
   x = 7,677.53