Finding the Fourth Proportional to 2,068.60, 3,103.16 and 682.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.60 : 3,103.16 = 682.10 : x
2. Step 2: Convert to fraction form
   2,068.60/3,103.16 = 682.10/x
3. Step 3: Cross multiply
   2,068.60x = 3,103.16 × 682.10
4. Step 4: Simplify right side
   2,068.60x = 2,116,665.44
5. Step 5: Solve for x
   x = 2,116,665.44/2,068.60
6. Step 6: Final answer
   x = 1,023.24