Finding the Fourth Proportional to 3,742.59, 5,609.33 and 2,647.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,742.59 : 5,609.33 = 2,647.27 : x
2. Step 2: Convert to fraction form
   3,742.59/5,609.33 = 2,647.27/x
3. Step 3: Cross multiply
   3,742.59x = 5,609.33 × 2,647.27
4. Step 4: Simplify right side
   3,742.59x = 14,849,411.03
5. Step 5: Solve for x
   x = 14,849,411.03/3,742.59
6. Step 6: Final answer
   x = 3,967.68