Finding the Fourth Proportional to 1,581.30, 2,369.16 and 963.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581.30 : 2,369.16 = 963.54 : x
2. Step 2: Convert to fraction form
   1,581.30/2,369.16 = 963.54/x
3. Step 3: Cross multiply
   1,581.30x = 2,369.16 × 963.54
4. Step 4: Simplify right side
   1,581.30x = 2,282,780.43
5. Step 5: Solve for x
   x = 2,282,780.43/1,581.30
6. Step 6: Final answer
   x = 1,443.61