Finding the Fourth Proportional to 2,531.30, 3,796.69 and 682.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.30 : 3,796.69 = 682.31 : x
2. Step 2: Convert to fraction form
   2,531.30/3,796.69 = 682.31/x
3. Step 3: Cross multiply
   2,531.30x = 3,796.69 × 682.31
4. Step 4: Simplify right side
   2,531.30x = 2,590,500.78
5. Step 5: Solve for x
   x = 2,590,500.78/2,531.30
6. Step 6: Final answer
   x = 1,023.39