Finding the Fourth Proportional to 3,605.72, 5,402.10 and 3,353

Step by Step Solution

1. Step 1: Write the proportion equation
   3,605.72 : 5,402.10 = 3,353 : x
2. Step 2: Convert to fraction form
   3,605.72/5,402.10 = 3,353/x
3. Step 3: Cross multiply
   3,605.72x = 5,402.10 × 3,353
4. Step 4: Simplify right side
   3,605.72x = 18,113,241.30
5. Step 5: Solve for x
   x = 18,113,241.30/3,605.72
6. Step 6: Final answer
   x = 5,023.47