Finding the Fourth Proportional to 3,879.54, 5,814.50 and 1,796.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,879.54 : 5,814.50 = 1,796.68 : x
2. Step 2: Convert to fraction form
   3,879.54/5,814.50 = 1,796.68/x
3. Step 3: Cross multiply
   3,879.54x = 5,814.50 × 1,796.68
4. Step 4: Simplify right side
   3,879.54x = 10,446,795.86
5. Step 5: Solve for x
   x = 10,446,795.86/3,879.54
6. Step 6: Final answer
   x = 2,692.79