Finding the Fourth Proportional to 2,615.94, 3,609.90 and 1,436.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.94 : 3,609.90 = 1,436.94 : x
2. Step 2: Convert to fraction form
   2,615.94/3,609.90 = 1,436.94/x
3. Step 3: Cross multiply
   2,615.94x = 3,609.90 × 1,436.94
4. Step 4: Simplify right side
   2,615.94x = 5,187,209.71
5. Step 5: Solve for x
   x = 5,187,209.71/2,615.94
6. Step 6: Final answer
   x = 1,982.92