Finding the Fourth Proportional to 1,561.52, 2,341.34 and 683.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561.52 : 2,341.34 = 683.54 : x
2. Step 2: Convert to fraction form
   1,561.52/2,341.34 = 683.54/x
3. Step 3: Cross multiply
   1,561.52x = 2,341.34 × 683.54
4. Step 4: Simplify right side
   1,561.52x = 1,600,399.54
5. Step 5: Solve for x
   x = 1,600,399.54/1,561.52
6. Step 6: Final answer
   x = 1,024.90