Finding the Fourth Proportional to 2,068.54, 3,103.29 and 681.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.54 : 3,103.29 = 681.88 : x
2. Step 2: Convert to fraction form
   2,068.54/3,103.29 = 681.88/x
3. Step 3: Cross multiply
   2,068.54x = 3,103.29 × 681.88
4. Step 4: Simplify right side
   2,068.54x = 2,116,071.39
5. Step 5: Solve for x
   x = 2,116,071.39/2,068.54
6. Step 6: Final answer
   x = 1,022.98