Finding the Fourth Proportional to 2,323.98, 3,485.82 and 680.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.98 : 3,485.82 = 680.48 : x
2. Step 2: Convert to fraction form
   2,323.98/3,485.82 = 680.48/x
3. Step 3: Cross multiply
   2,323.98x = 3,485.82 × 680.48
4. Step 4: Simplify right side
   2,323.98x = 2,372,030.79
5. Step 5: Solve for x
   x = 2,372,030.79/2,323.98
6. Step 6: Final answer
   x = 1,020.68