Finding the Fourth Proportional to 2,614.91, 3,608.57 and 1,436.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.91 : 3,608.57 = 1,436.05 : x
2. Step 2: Convert to fraction form
   2,614.91/3,608.57 = 1,436.05/x
3. Step 3: Cross multiply
   2,614.91x = 3,608.57 × 1,436.05
4. Step 4: Simplify right side
   2,614.91x = 5,182,086.95
5. Step 5: Solve for x
   x = 5,182,086.95/2,614.91
6. Step 6: Final answer
   x = 1,981.75