Finding the Fourth Proportional to 2,435.59, 3,653.43 and 680.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.59 : 3,653.43 = 680.41 : x
2. Step 2: Convert to fraction form
   2,435.59/3,653.43 = 680.41/x
3. Step 3: Cross multiply
   2,435.59x = 3,653.43 × 680.41
4. Step 4: Simplify right side
   2,435.59x = 2,485,830.31
5. Step 5: Solve for x
   x = 2,485,830.31/2,435.59
6. Step 6: Final answer
   x = 1,020.63