Finding the Fourth Proportional to 1,834.16, 2,751.96 and 680.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,834.16 : 2,751.96 = 680.72 : x
2. Step 2: Convert to fraction form
   1,834.16/2,751.96 = 680.72/x
3. Step 3: Cross multiply
   1,834.16x = 2,751.96 × 680.72
4. Step 4: Simplify right side
   1,834.16x = 1,873,314.21
5. Step 5: Solve for x
   x = 1,873,314.21/1,834.16
6. Step 6: Final answer
   x = 1,021.35