Finding the Fourth Proportional to 963.90, 1,443.69 and 746.82

Step by Step Solution

1. Step 1: Write the proportion equation
   963.90 : 1,443.69 = 746.82 : x
2. Step 2: Convert to fraction form
   963.90/1,443.69 = 746.82/x
3. Step 3: Cross multiply
   963.90x = 1,443.69 × 746.82
4. Step 4: Simplify right side
   963.90x = 1,078,176.57
5. Step 5: Solve for x
   x = 1,078,176.57/963.90
6. Step 6: Final answer
   x = 1,118.56