Finding the Fourth Proportional to 2,031.57, 3,047.33 and 798.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.57 : 3,047.33 = 798.12 : x
2. Step 2: Convert to fraction form
   2,031.57/3,047.33 = 798.12/x
3. Step 3: Cross multiply
   2,031.57x = 3,047.33 × 798.12
4. Step 4: Simplify right side
   2,031.57x = 2,432,137.01
5. Step 5: Solve for x
   x = 2,432,137.01/2,031.57
6. Step 6: Final answer
   x = 1,197.17