Finding the Fourth Proportional to 12,043.50, 18,063.42 and 3,279.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,043.50 : 18,063.42 = 3,279.09 : x
2. Step 2: Convert to fraction form
   12,043.50/18,063.42 = 3,279.09/x
3. Step 3: Cross multiply
   12,043.50x = 18,063.42 × 3,279.09
4. Step 4: Simplify right side
   12,043.50x = 59,231,579.89
5. Step 5: Solve for x
   x = 59,231,579.89/12,043.50
6. Step 6: Final answer
   x = 4,918.14