Finding the Fourth Proportional to 2,615.30, 3,608.96 and 1,436.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.30 : 3,608.96 = 1,436.16 : x
2. Step 2: Convert to fraction form
   2,615.30/3,608.96 = 1,436.16/x
3. Step 3: Cross multiply
   2,615.30x = 3,608.96 × 1,436.16
4. Step 4: Simplify right side
   2,615.30x = 5,183,043.99
5. Step 5: Solve for x
   x = 5,183,043.99/2,615.30
6. Step 6: Final answer
   x = 1,981.82