Finding the Fourth Proportional to 12,270.59, 18,408.83 and 3,951.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,270.59 : 18,408.83 = 3,951.39 : x
2. Step 2: Convert to fraction form
   12,270.59/18,408.83 = 3,951.39/x
3. Step 3: Cross multiply
   12,270.59x = 18,408.83 × 3,951.39
4. Step 4: Simplify right side
   12,270.59x = 72,740,461.83
5. Step 5: Solve for x
   x = 72,740,461.83/12,270.59
6. Step 6: Final answer
   x = 5,928.03