Finding the Fourth Proportional to 2,342.72, 3,513.72 and 698.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,342.72 : 3,513.72 = 698.96 : x
2. Step 2: Convert to fraction form
   2,342.72/3,513.72 = 698.96/x
3. Step 3: Cross multiply
   2,342.72x = 3,513.72 × 698.96
4. Step 4: Simplify right side
   2,342.72x = 2,455,949.73
5. Step 5: Solve for x
   x = 2,455,949.73/2,342.72
6. Step 6: Final answer
   x = 1,048.33