Finding the Fourth Proportional to 3,898.32, 5,379.78 and 2,327.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,898.32 : 5,379.78 = 2,327.32 : x
2. Step 2: Convert to fraction form
   3,898.32/5,379.78 = 2,327.32/x
3. Step 3: Cross multiply
   3,898.32x = 5,379.78 × 2,327.32
4. Step 4: Simplify right side
   3,898.32x = 12,520,469.59
5. Step 5: Solve for x
   x = 12,520,469.59/3,898.32
6. Step 6: Final answer
   x = 3,211.76