Finding the Fourth Proportional to 3,605.67, 5,401.71 and 2,874.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,605.67 : 5,401.71 = 2,874.42 : x
2. Step 2: Convert to fraction form
   3,605.67/5,401.71 = 2,874.42/x
3. Step 3: Cross multiply
   3,605.67x = 5,401.71 × 2,874.42
4. Step 4: Simplify right side
   3,605.67x = 15,526,783.26
5. Step 5: Solve for x
   x = 15,526,783.26/3,605.67
6. Step 6: Final answer
   x = 4,306.21