Finding the Fourth Proportional to 12,083.72, 18,119.43 and 4,185.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,083.72 : 18,119.43 = 4,185.41 : x
2. Step 2: Convert to fraction form
   12,083.72/18,119.43 = 4,185.41/x
3. Step 3: Cross multiply
   12,083.72x = 18,119.43 × 4,185.41
4. Step 4: Simplify right side
   12,083.72x = 75,837,152.92
5. Step 5: Solve for x
   x = 75,837,152.92/12,083.72
6. Step 6: Final answer
   x = 6,275.98