Finding the Fourth Proportional to 1,323.27, 1,825.88 and 857.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.27 : 1,825.88 = 857.25 : x
2. Step 2: Convert to fraction form
   1,323.27/1,825.88 = 857.25/x
3. Step 3: Cross multiply
   1,323.27x = 1,825.88 × 857.25
4. Step 4: Simplify right side
   1,323.27x = 1,565,231.34
5. Step 5: Solve for x
   x = 1,565,231.34/1,323.27
6. Step 6: Final answer
   x = 1,182.85