Finding the Fourth Proportional to 2,528.72, 3,793.26 and 798.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.72 : 3,793.26 = 798.56 : x
2. Step 2: Convert to fraction form
   2,528.72/3,793.26 = 798.56/x
3. Step 3: Cross multiply
   2,528.72x = 3,793.26 × 798.56
4. Step 4: Simplify right side
   2,528.72x = 3,029,145.71
5. Step 5: Solve for x
   x = 3,029,145.71/2,528.72
6. Step 6: Final answer
   x = 1,197.90