Finding the Fourth Proportional to 3,676.32, 5,519.94 and 3,610.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676.32 : 5,519.94 = 3,610.71 : x
2. Step 2: Convert to fraction form
   3,676.32/5,519.94 = 3,610.71/x
3. Step 3: Cross multiply
   3,676.32x = 5,519.94 × 3,610.71
4. Step 4: Simplify right side
   3,676.32x = 19,930,874.96
5. Step 5: Solve for x
   x = 19,930,874.96/3,676.32
6. Step 6: Final answer
   x = 5,421.43