Finding the Fourth Proportional to 1,131.29, 1,696.92 and 743.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.29 : 1,696.92 = 743.73 : x
2. Step 2: Convert to fraction form
   1,131.29/1,696.92 = 743.73/x
3. Step 3: Cross multiply
   1,131.29x = 1,696.92 × 743.73
4. Step 4: Simplify right side
   1,131.29x = 1,262,050.31
5. Step 5: Solve for x
   x = 1,262,050.31/1,131.29
6. Step 6: Final answer
   x = 1,115.59