Finding the Fourth Proportional to 2,615.34, 3,609.16 and 1,436.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.34 : 3,609.16 = 1,436.38 : x
2. Step 2: Convert to fraction form
   2,615.34/3,609.16 = 1,436.38/x
3. Step 3: Cross multiply
   2,615.34x = 3,609.16 × 1,436.38
4. Step 4: Simplify right side
   2,615.34x = 5,184,125.24
5. Step 5: Solve for x
   x = 5,184,125.24/2,615.34
6. Step 6: Final answer
   x = 1,982.20