Finding the Fourth Proportional to 12,164.09, 18,244.88 and 3,279.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.09 : 18,244.88 = 3,279.05 : x
2. Step 2: Convert to fraction form
   12,164.09/18,244.88 = 3,279.05/x
3. Step 3: Cross multiply
   12,164.09x = 18,244.88 × 3,279.05
4. Step 4: Simplify right side
   12,164.09x = 59,825,766.14
5. Step 5: Solve for x
   x = 59,825,766.14/12,164.09
6. Step 6: Final answer
   x = 4,918.23