Finding the Fourth Proportional to 2,323.26, 3,485.52 and 679.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.26 : 3,485.52 = 679.98 : x
2. Step 2: Convert to fraction form
   2,323.26/3,485.52 = 679.98/x
3. Step 3: Cross multiply
   2,323.26x = 3,485.52 × 679.98
4. Step 4: Simplify right side
   2,323.26x = 2,370,083.89
5. Step 5: Solve for x
   x = 2,370,083.89/2,323.26
6. Step 6: Final answer
   x = 1,020.15