Finding the Fourth Proportional to 10,249.56, 15,379.36 and 3,676.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,249.56 : 15,379.36 = 3,676.25 : x
2. Step 2: Convert to fraction form
   10,249.56/15,379.36 = 3,676.25/x
3. Step 3: Cross multiply
   10,249.56x = 15,379.36 × 3,676.25
4. Step 4: Simplify right side
   10,249.56x = 56,538,401.46
5. Step 5: Solve for x
   x = 56,538,401.46/10,249.56
6. Step 6: Final answer
   x = 5,516.18