Finding the Fourth Proportional to 2,359.92, 3,538.51 and 799.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.92 : 3,538.51 = 799.40 : x
2. Step 2: Convert to fraction form
   2,359.92/3,538.51 = 799.40/x
3. Step 3: Cross multiply
   2,359.92x = 3,538.51 × 799.40
4. Step 4: Simplify right side
   2,359.92x = 2,828,684.89
5. Step 5: Solve for x
   x = 2,828,684.89/2,359.92
6. Step 6: Final answer
   x = 1,198.64