Finding the Fourth Proportional to 2,144.77, 3,217.29 and 683.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.77 : 3,217.29 = 683.98 : x
2. Step 2: Convert to fraction form
   2,144.77/3,217.29 = 683.98/x
3. Step 3: Cross multiply
   2,144.77x = 3,217.29 × 683.98
4. Step 4: Simplify right side
   2,144.77x = 2,200,562.01
5. Step 5: Solve for x
   x = 2,200,562.01/2,144.77
6. Step 6: Final answer
   x = 1,026.01