Finding the Fourth Proportional to 2,614.65, 3,608.23 and 1,435.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.65 : 3,608.23 = 1,435.80 : x
2. Step 2: Convert to fraction form
   2,614.65/3,608.23 = 1,435.80/x
3. Step 3: Cross multiply
   2,614.65x = 3,608.23 × 1,435.80
4. Step 4: Simplify right side
   2,614.65x = 5,180,689.46
5. Step 5: Solve for x
   x = 5,180,689.46/2,614.65
6. Step 6: Final answer
   x = 1,981.41