Finding the Fourth Proportional to 2,424.78, 3,636.63 and 963.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.78 : 3,636.63 = 963.54 : x
2. Step 2: Convert to fraction form
   2,424.78/3,636.63 = 963.54/x
3. Step 3: Cross multiply
   2,424.78x = 3,636.63 × 963.54
4. Step 4: Simplify right side
   2,424.78x = 3,504,038.47
5. Step 5: Solve for x
   x = 3,504,038.47/2,424.78
6. Step 6: Final answer
   x = 1,445.10