Finding the Fourth Proportional to 2,031.12, 3,047.04 and 798.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.12 : 3,047.04 = 798.57 : x
2. Step 2: Convert to fraction form
   2,031.12/3,047.04 = 798.57/x
3. Step 3: Cross multiply
   2,031.12x = 3,047.04 × 798.57
4. Step 4: Simplify right side
   2,031.12x = 2,433,274.73
5. Step 5: Solve for x
   x = 2,433,274.73/2,031.12
6. Step 6: Final answer
   x = 1,198.00