Finding the Fourth Proportional to 2,615.10, 3,608.68 and 1,436.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.10 : 3,608.68 = 1,436.14 : x
2. Step 2: Convert to fraction form
   2,615.10/3,608.68 = 1,436.14/x
3. Step 3: Cross multiply
   2,615.10x = 3,608.68 × 1,436.14
4. Step 4: Simplify right side
   2,615.10x = 5,182,569.70
5. Step 5: Solve for x
   x = 5,182,569.70/2,615.10
6. Step 6: Final answer
   x = 1,981.79