Finding the Fourth Proportional to 2,858.82, 3,944.05 and 1,796.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,858.82 : 3,944.05 = 1,796.16 : x
2. Step 2: Convert to fraction form
   2,858.82/3,944.05 = 1,796.16/x
3. Step 3: Cross multiply
   2,858.82x = 3,944.05 × 1,796.16
4. Step 4: Simplify right side
   2,858.82x = 7,084,144.85
5. Step 5: Solve for x
   x = 7,084,144.85/2,858.82
6. Step 6: Final answer
   x = 2,478.00