Finding the Fourth Proportional to 2,789.50, 4,184.22 and 681.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.50 : 4,184.22 = 681.14 : x
2. Step 2: Convert to fraction form
   2,789.50/4,184.22 = 681.14/x
3. Step 3: Cross multiply
   2,789.50x = 4,184.22 × 681.14
4. Step 4: Simplify right side
   2,789.50x = 2,850,039.61
5. Step 5: Solve for x
   x = 2,850,039.61/2,789.50
6. Step 6: Final answer
   x = 1,021.70