Finding the Fourth Proportional to 2,799.32, 4,198.82 and 851.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.32 : 4,198.82 = 851.37 : x
2. Step 2: Convert to fraction form
   2,799.32/4,198.82 = 851.37/x
3. Step 3: Cross multiply
   2,799.32x = 4,198.82 × 851.37
4. Step 4: Simplify right side
   2,799.32x = 3,574,735.77
5. Step 5: Solve for x
   x = 3,574,735.77/2,799.32
6. Step 6: Final answer
   x = 1,277.00