Finding the Fourth Proportional to 10,039.09, 13,853.96 and 5,562.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,039.09 : 13,853.96 = 5,562.80 : x
2. Step 2: Convert to fraction form
   10,039.09/13,853.96 = 5,562.80/x
3. Step 3: Cross multiply
   10,039.09x = 13,853.96 × 5,562.80
4. Step 4: Simplify right side
   10,039.09x = 77,066,808.69
5. Step 5: Solve for x
   x = 77,066,808.69/10,039.09
6. Step 6: Final answer
   x = 7,676.67