Finding the Fourth Proportional to 3,609.96, 5,418.56 and 2,436.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609.96 : 5,418.56 = 2,436.24 : x
2. Step 2: Convert to fraction form
   3,609.96/5,418.56 = 2,436.24/x
3. Step 3: Cross multiply
   3,609.96x = 5,418.56 × 2,436.24
4. Step 4: Simplify right side
   3,609.96x = 13,200,912.61
5. Step 5: Solve for x
   x = 13,200,912.61/3,609.96
6. Step 6: Final answer
   x = 3,656.80