Finding the Fourth Proportional to 2,615.48, 3,609.36 and 1,436.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.48 : 3,609.36 = 1,436.54 : x
2. Step 2: Convert to fraction form
   2,615.48/3,609.36 = 1,436.54/x
3. Step 3: Cross multiply
   2,615.48x = 3,609.36 × 1,436.54
4. Step 4: Simplify right side
   2,615.48x = 5,184,990.01
5. Step 5: Solve for x
   x = 5,184,990.01/2,615.48
6. Step 6: Final answer
   x = 1,982.42