Finding the Fourth Proportional to 2,327.85, 3,212.37 and 1,279.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.85 : 3,212.37 = 1,279.89 : x
2. Step 2: Convert to fraction form
   2,327.85/3,212.37 = 1,279.89/x
3. Step 3: Cross multiply
   2,327.85x = 3,212.37 × 1,279.89
4. Step 4: Simplify right side
   2,327.85x = 4,111,480.24
5. Step 5: Solve for x
   x = 4,111,480.24/2,327.85
6. Step 6: Final answer
   x = 1,766.21