Finding the Fourth Proportional to 2,341.72, 3,513.12 and 698.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,341.72 : 3,513.12 = 698.23 : x
2. Step 2: Convert to fraction form
   2,341.72/3,513.12 = 698.23/x
3. Step 3: Cross multiply
   2,341.72x = 3,513.12 × 698.23
4. Step 4: Simplify right side
   2,341.72x = 2,452,965.78
5. Step 5: Solve for x
   x = 2,452,965.78/2,341.72
6. Step 6: Final answer
   x = 1,047.51