Finding the Fourth Proportional to 12,282.54, 18,427.40 and 3,962.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,282.54 : 18,427.40 = 3,962.39 : x
2. Step 2: Convert to fraction form
   12,282.54/18,427.40 = 3,962.39/x
3. Step 3: Cross multiply
   12,282.54x = 18,427.40 × 3,962.39
4. Step 4: Simplify right side
   12,282.54x = 73,016,433.54
5. Step 5: Solve for x
   x = 73,016,433.54/12,282.54
6. Step 6: Final answer
   x = 5,944.73