Finding the Fourth Proportional to 2,615.03, 3,608.53 and 1,436.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.03 : 3,608.53 = 1,436.16 : x
2. Step 2: Convert to fraction form
   2,615.03/3,608.53 = 1,436.16/x
3. Step 3: Cross multiply
   2,615.03x = 3,608.53 × 1,436.16
4. Step 4: Simplify right side
   2,615.03x = 5,182,426.44
5. Step 5: Solve for x
   x = 5,182,426.44/2,615.03
6. Step 6: Final answer
   x = 1,981.78