Finding the Fourth Proportional to 3,676.56, 5,520.32 and 3,610.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676.56 : 5,520.32 = 3,610.96 : x
2. Step 2: Convert to fraction form
   3,676.56/5,520.32 = 3,610.96/x
3. Step 3: Cross multiply
   3,676.56x = 5,520.32 × 3,610.96
4. Step 4: Simplify right side
   3,676.56x = 19,933,654.71
5. Step 5: Solve for x
   x = 19,933,654.71/3,676.56
6. Step 6: Final answer
   x = 5,421.82