Finding the Fourth Proportional to 1,162.57, 1,743.33 and 723.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.57 : 1,743.33 = 723.82 : x
2. Step 2: Convert to fraction form
   1,162.57/1,743.33 = 723.82/x
3. Step 3: Cross multiply
   1,162.57x = 1,743.33 × 723.82
4. Step 4: Simplify right side
   1,162.57x = 1,261,857.12
5. Step 5: Solve for x
   x = 1,261,857.12/1,162.57
6. Step 6: Final answer
   x = 1,085.40