Finding the Fourth Proportional to 12,173.44, 18,262.89 and 3,853.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,173.44 : 18,262.89 = 3,853.95 : x
2. Step 2: Convert to fraction form
   12,173.44/18,262.89 = 3,853.95/x
3. Step 3: Cross multiply
   12,173.44x = 18,262.89 × 3,853.95
4. Step 4: Simplify right side
   12,173.44x = 70,384,255.28
5. Step 5: Solve for x
   x = 70,384,255.28/12,173.44
6. Step 6: Final answer
   x = 5,781.79