Finding the Fourth Proportional to 3,676.48, 5,524.32 and 3,443.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676.48 : 5,524.32 = 3,443.20 : x
2. Step 2: Convert to fraction form
   3,676.48/5,524.32 = 3,443.20/x
3. Step 3: Cross multiply
   3,676.48x = 5,524.32 × 3,443.20
4. Step 4: Simplify right side
   3,676.48x = 19,021,338.62
5. Step 5: Solve for x
   x = 19,021,338.62/3,676.48
6. Step 6: Final answer
   x = 5,173.79