Finding the Fourth Proportional to 1,243.54, 1,715.82 and 746.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243.54 : 1,715.82 = 746.32 : x
2. Step 2: Convert to fraction form
   1,243.54/1,715.82 = 746.32/x
3. Step 3: Cross multiply
   1,243.54x = 1,715.82 × 746.32
4. Step 4: Simplify right side
   1,243.54x = 1,280,550.78
5. Step 5: Solve for x
   x = 1,280,550.78/1,243.54
6. Step 6: Final answer
   x = 1,029.76