Finding the Fourth Proportional to 2,614.78, 3,608.40 and 1,435.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.78 : 3,608.40 = 1,435.93 : x
2. Step 2: Convert to fraction form
   2,614.78/3,608.40 = 1,435.93/x
3. Step 3: Cross multiply
   2,614.78x = 3,608.40 × 1,435.93
4. Step 4: Simplify right side
   2,614.78x = 5,181,398.10
5. Step 5: Solve for x
   x = 5,181,398.10/2,614.78
6. Step 6: Final answer
   x = 1,981.58