Finding the Fourth Proportional to 3,900.76, 5,381.31 and 2,327.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.76 : 5,381.31 = 2,327.94 : x
2. Step 2: Convert to fraction form
   3,900.76/5,381.31 = 2,327.94/x
3. Step 3: Cross multiply
   3,900.76x = 5,381.31 × 2,327.94
4. Step 4: Simplify right side
   3,900.76x = 12,527,366.80
5. Step 5: Solve for x
   x = 12,527,366.80/3,900.76
6. Step 6: Final answer
   x = 3,211.52