Finding the Fourth Proportional to 3,238.78, 4,469.70 and 2,451.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,238.78 : 4,469.70 = 2,451.46 : x
2. Step 2: Convert to fraction form
   3,238.78/4,469.70 = 2,451.46/x
3. Step 3: Cross multiply
   3,238.78x = 4,469.70 × 2,451.46
4. Step 4: Simplify right side
   3,238.78x = 10,957,290.76
5. Step 5: Solve for x
   x = 10,957,290.76/3,238.78
6. Step 6: Final answer
   x = 3,383.15