Finding the Fourth Proportional to 2,424.43, 3,635.33 and 864.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.43 : 3,635.33 = 864.19 : x
2. Step 2: Convert to fraction form
   2,424.43/3,635.33 = 864.19/x
3. Step 3: Cross multiply
   2,424.43x = 3,635.33 × 864.19
4. Step 4: Simplify right side
   2,424.43x = 3,141,611.51
5. Step 5: Solve for x
   x = 3,141,611.51/2,424.43
6. Step 6: Final answer
   x = 1,295.81