Finding the Fourth Proportional to 2,614.72, 3,608.20 and 1,435.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.72 : 3,608.20 = 1,435.92 : x
2. Step 2: Convert to fraction form
   2,614.72/3,608.20 = 1,435.92/x
3. Step 3: Cross multiply
   2,614.72x = 3,608.20 × 1,435.92
4. Step 4: Simplify right side
   2,614.72x = 5,181,086.54
5. Step 5: Solve for x
   x = 5,181,086.54/2,614.72
6. Step 6: Final answer
   x = 1,981.51