Finding the Fourth Proportional to 3,912.64, 5,399.83 and 2,234.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.64 : 5,399.83 = 2,234.30 : x
2. Step 2: Convert to fraction form
   3,912.64/5,399.83 = 2,234.30/x
3. Step 3: Cross multiply
   3,912.64x = 5,399.83 × 2,234.30
4. Step 4: Simplify right side
   3,912.64x = 12,064,846.34
5. Step 5: Solve for x
   x = 12,064,846.34/3,912.64
6. Step 6: Final answer
   x = 3,083.56