Finding the Fourth Proportional to 12,052.06, 18,078.59 and 3,286.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,052.06 : 18,078.59 = 3,286.98 : x
2. Step 2: Convert to fraction form
   12,052.06/18,078.59 = 3,286.98/x
3. Step 3: Cross multiply
   12,052.06x = 18,078.59 × 3,286.98
4. Step 4: Simplify right side
   12,052.06x = 59,423,971.98
5. Step 5: Solve for x
   x = 59,423,971.98/12,052.06
6. Step 6: Final answer
   x = 4,930.61