Finding the Fourth Proportional to 2,069.87, 3,105.27 and 683.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.87 : 3,105.27 = 683.34 : x
2. Step 2: Convert to fraction form
   2,069.87/3,105.27 = 683.34/x
3. Step 3: Cross multiply
   2,069.87x = 3,105.27 × 683.34
4. Step 4: Simplify right side
   2,069.87x = 2,121,955.20
5. Step 5: Solve for x
   x = 2,121,955.20/2,069.87
6. Step 6: Final answer
   x = 1,025.16