Finding the Fourth Proportional to 1,743.25, 2,405.69 and 957.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,743.25 : 2,405.69 = 957.30 : x
2. Step 2: Convert to fraction form
   1,743.25/2,405.69 = 957.30/x
3. Step 3: Cross multiply
   1,743.25x = 2,405.69 × 957.30
4. Step 4: Simplify right side
   1,743.25x = 2,302,967.04
5. Step 5: Solve for x
   x = 2,302,967.04/1,743.25
6. Step 6: Final answer
   x = 1,321.08