Finding the Fourth Proportional to 2,424.02, 3,636.23 and 863.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.02 : 3,636.23 = 863.42 : x
2. Step 2: Convert to fraction form
   2,424.02/3,636.23 = 863.42/x
3. Step 3: Cross multiply
   2,424.02x = 3,636.23 × 863.42
4. Step 4: Simplify right side
   2,424.02x = 3,139,593.71
5. Step 5: Solve for x
   x = 3,139,593.71/2,424.02
6. Step 6: Final answer
   x = 1,295.20