Finding the Fourth Proportional to 2,614.77, 3,608.39 and 1,435.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.77 : 3,608.39 = 1,435.90 : x
2. Step 2: Convert to fraction form
   2,614.77/3,608.39 = 1,435.90/x
3. Step 3: Cross multiply
   2,614.77x = 3,608.39 × 1,435.90
4. Step 4: Simplify right side
   2,614.77x = 5,181,287.20
5. Step 5: Solve for x
   x = 5,181,287.20/2,614.77
6. Step 6: Final answer
   x = 1,981.55