Finding the Fourth Proportional to 2,359.32, 3,538.82 and 798.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.32 : 3,538.82 = 798.78 : x
2. Step 2: Convert to fraction form
   2,359.32/3,538.82 = 798.78/x
3. Step 3: Cross multiply
   2,359.32x = 3,538.82 × 798.78
4. Step 4: Simplify right side
   2,359.32x = 2,826,738.64
5. Step 5: Solve for x
   x = 2,826,738.64/2,359.32
6. Step 6: Final answer
   x = 1,198.12