Finding the Fourth Proportional to 3,662.62, 5,052.88 and 2,405.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.62 : 5,052.88 = 2,405.09 : x
2. Step 2: Convert to fraction form
   3,662.62/5,052.88 = 2,405.09/x
3. Step 3: Cross multiply
   3,662.62x = 5,052.88 × 2,405.09
4. Step 4: Simplify right side
   3,662.62x = 12,152,646.80
5. Step 5: Solve for x
   x = 12,152,646.80/3,662.62
6. Step 6: Final answer
   x = 3,318.02