Finding the Fourth Proportional to 2,614.87, 3,608.57 and 1,436

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.87 : 3,608.57 = 1,436 : x
2. Step 2: Convert to fraction form
   2,614.87/3,608.57 = 1,436/x
3. Step 3: Cross multiply
   2,614.87x = 3,608.57 × 1,436
4. Step 4: Simplify right side
   2,614.87x = 5,181,899.34
5. Step 5: Solve for x
   x = 5,181,899.34/2,614.87
6. Step 6: Final answer
   x = 1,981.71