Finding the Fourth Proportional to 2,098.73, 3,147.48 and 799.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.73 : 3,147.48 = 799.89 : x
2. Step 2: Convert to fraction form
   2,098.73/3,147.48 = 799.89/x
3. Step 3: Cross multiply
   2,098.73x = 3,147.48 × 799.89
4. Step 4: Simplify right side
   2,098.73x = 2,517,637.78
5. Step 5: Solve for x
   x = 2,517,637.78/2,098.73
6. Step 6: Final answer
   x = 1,199.60