Finding the Fourth Proportional to 1,743.56, 2,406.10 and 957.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,743.56 : 2,406.10 = 957.61 : x
2. Step 2: Convert to fraction form
   1,743.56/2,406.10 = 957.61/x
3. Step 3: Cross multiply
   1,743.56x = 2,406.10 × 957.61
4. Step 4: Simplify right side
   1,743.56x = 2,304,105.42
5. Step 5: Solve for x
   x = 2,304,105.42/1,743.56
6. Step 6: Final answer
   x = 1,321.49