Finding the Fourth Proportional to 2,030.28, 3,045.72 and 798.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.28 : 3,045.72 = 798.72 : x
2. Step 2: Convert to fraction form
   2,030.28/3,045.72 = 798.72/x
3. Step 3: Cross multiply
   2,030.28x = 3,045.72 × 798.72
4. Step 4: Simplify right side
   2,030.28x = 2,432,677.48
5. Step 5: Solve for x
   x = 2,432,677.48/2,030.28
6. Step 6: Final answer
   x = 1,198.20