Finding the Fourth Proportional to 2,341.86, 3,231.72 and 1,279.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,341.86 : 3,231.72 = 1,279.62 : x
2. Step 2: Convert to fraction form
   2,341.86/3,231.72 = 1,279.62/x
3. Step 3: Cross multiply
   2,341.86x = 3,231.72 × 1,279.62
4. Step 4: Simplify right side
   2,341.86x = 4,135,373.55
5. Step 5: Solve for x
   x = 4,135,373.55/2,341.86
6. Step 6: Final answer
   x = 1,765.85