Finding the Fourth Proportional to 2,411.63, 3,617.41 and 680.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.63 : 3,617.41 = 680.25 : x
2. Step 2: Convert to fraction form
   2,411.63/3,617.41 = 680.25/x
3. Step 3: Cross multiply
   2,411.63x = 3,617.41 × 680.25
4. Step 4: Simplify right side
   2,411.63x = 2,460,743.15
5. Step 5: Solve for x
   x = 2,460,743.15/2,411.63
6. Step 6: Final answer
   x = 1,020.37