Finding the Fourth Proportional to 1,162.48, 1,743.98 and 382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.48 : 1,743.98 = 382.72 : x
2. Step 2: Convert to fraction form
   1,162.48/1,743.98 = 382.72/x
3. Step 3: Cross multiply
   1,162.48x = 1,743.98 × 382.72
4. Step 4: Simplify right side
   1,162.48x = 667,456.29
5. Step 5: Solve for x
   x = 667,456.29/1,162.48
6. Step 6: Final answer
   x = 574.17