Finding the Fourth Proportional to 2,615.19, 3,609.06 and 1,436.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.19 : 3,609.06 = 1,436.37 : x
2. Step 2: Convert to fraction form
   2,615.19/3,609.06 = 1,436.37/x
3. Step 3: Cross multiply
   2,615.19x = 3,609.06 × 1,436.37
4. Step 4: Simplify right side
   2,615.19x = 5,183,945.51
5. Step 5: Solve for x
   x = 5,183,945.51/2,615.19
6. Step 6: Final answer
   x = 1,982.24