Finding the Fourth Proportional to 2,185.73, 3,279.47 and 799.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.73 : 3,279.47 = 799.16 : x
2. Step 2: Convert to fraction form
   2,185.73/3,279.47 = 799.16/x
3. Step 3: Cross multiply
   2,185.73x = 3,279.47 × 799.16
4. Step 4: Simplify right side
   2,185.73x = 2,620,821.25
5. Step 5: Solve for x
   x = 2,620,821.25/2,185.73
6. Step 6: Final answer
   x = 1,199.06