Finding the Fourth Proportional to 963.95, 1,328.83 and 683.31

Step by Step Solution

1. Step 1: Write the proportion equation
   963.95 : 1,328.83 = 683.31 : x
2. Step 2: Convert to fraction form
   963.95/1,328.83 = 683.31/x
3. Step 3: Cross multiply
   963.95x = 1,328.83 × 683.31
4. Step 4: Simplify right side
   963.95x = 908,002.83
5. Step 5: Solve for x
   x = 908,002.83/963.95
6. Step 6: Final answer
   x = 941.97