Finding the Fourth Proportional to 2,144.53, 3,216.51 and 683.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.53 : 3,216.51 = 683.83 : x
2. Step 2: Convert to fraction form
   2,144.53/3,216.51 = 683.83/x
3. Step 3: Cross multiply
   2,144.53x = 3,216.51 × 683.83
4. Step 4: Simplify right side
   2,144.53x = 2,199,546.03
5. Step 5: Solve for x
   x = 2,199,546.03/2,144.53
6. Step 6: Final answer
   x = 1,025.65