Finding the Fourth Proportional to 2,443.28, 3,665.68 and 799.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.28 : 3,665.68 = 799.84 : x
2. Step 2: Convert to fraction form
   2,443.28/3,665.68 = 799.84/x
3. Step 3: Cross multiply
   2,443.28x = 3,665.68 × 799.84
4. Step 4: Simplify right side
   2,443.28x = 2,931,957.49
5. Step 5: Solve for x
   x = 2,931,957.49/2,443.28
6. Step 6: Final answer
   x = 1,200.01