Finding the Fourth Proportional to 2,327.34, 3,211.78 and 1,279.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.34 : 3,211.78 = 1,279.42 : x
2. Step 2: Convert to fraction form
   2,327.34/3,211.78 = 1,279.42/x
3. Step 3: Cross multiply
   2,327.34x = 3,211.78 × 1,279.42
4. Step 4: Simplify right side
   2,327.34x = 4,109,215.57
5. Step 5: Solve for x
   x = 4,109,215.57/2,327.34
6. Step 6: Final answer
   x = 1,765.63