Finding the Fourth Proportional to 1,317.38, 1,817.82 and 727.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317.38 : 1,817.82 = 727.83 : x
2. Step 2: Convert to fraction form
   1,317.38/1,817.82 = 727.83/x
3. Step 3: Cross multiply
   1,317.38x = 1,817.82 × 727.83
4. Step 4: Simplify right side
   1,317.38x = 1,323,063.93
5. Step 5: Solve for x
   x = 1,323,063.93/1,317.38
6. Step 6: Final answer
   x = 1,004.32