Finding the Fourth Proportional to 2,443.14, 3,663.54 and 799.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.14 : 3,663.54 = 799.20 : x
2. Step 2: Convert to fraction form
   2,443.14/3,663.54 = 799.20/x
3. Step 3: Cross multiply
   2,443.14x = 3,663.54 × 799.20
4. Step 4: Simplify right side
   2,443.14x = 2,927,901.17
5. Step 5: Solve for x
   x = 2,927,901.17/2,443.14
6. Step 6: Final answer
   x = 1,198.42