Finding the Fourth Proportional to 2,443.28, 3,664.14 and 799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.28 : 3,664.14 = 799.50 : x
2. Step 2: Convert to fraction form
   2,443.28/3,664.14 = 799.50/x
3. Step 3: Cross multiply
   2,443.28x = 3,664.14 × 799.50
4. Step 4: Simplify right side
   2,443.28x = 2,929,479.93
5. Step 5: Solve for x
   x = 2,929,479.93/2,443.28
6. Step 6: Final answer
   x = 1,198.99