Finding the Fourth Proportional to 2,327.76, 3,212.32 and 1,279.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.76 : 3,212.32 = 1,279.82 : x
2. Step 2: Convert to fraction form
   2,327.76/3,212.32 = 1,279.82/x
3. Step 3: Cross multiply
   2,327.76x = 3,212.32 × 1,279.82
4. Step 4: Simplify right side
   2,327.76x = 4,111,191.38
5. Step 5: Solve for x
   x = 4,111,191.38/2,327.76
6. Step 6: Final answer
   x = 1,766.16