Finding the Fourth Proportional to 3,387.96, 4,675.59 and 2,209.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,387.96 : 4,675.59 = 2,209.01 : x
2. Step 2: Convert to fraction form
   3,387.96/4,675.59 = 2,209.01/x
3. Step 3: Cross multiply
   3,387.96x = 4,675.59 × 2,209.01
4. Step 4: Simplify right side
   3,387.96x = 10,328,401.69
5. Step 5: Solve for x
   x = 10,328,401.69/3,387.96
6. Step 6: Final answer
   x = 3,048.56