Finding the Fourth Proportional to 3,609.46, 5,411.61 and 2,436.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609.46 : 5,411.61 = 2,436.53 : x
2. Step 2: Convert to fraction form
   3,609.46/5,411.61 = 2,436.53/x
3. Step 3: Cross multiply
   3,609.46x = 5,411.61 × 2,436.53
4. Step 4: Simplify right side
   3,609.46x = 13,185,553.50
5. Step 5: Solve for x
   x = 13,185,553.50/3,609.46
6. Step 6: Final answer
   x = 3,653.05