Finding the Fourth Proportional to 1,743.42, 2,405.82 and 957.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,743.42 : 2,405.82 = 957.42 : x
2. Step 2: Convert to fraction form
   1,743.42/2,405.82 = 957.42/x
3. Step 3: Cross multiply
   1,743.42x = 2,405.82 × 957.42
4. Step 4: Simplify right side
   1,743.42x = 2,303,380.18
5. Step 5: Solve for x
   x = 2,303,380.18/1,743.42
6. Step 6: Final answer
   x = 1,321.18