Finding the Fourth Proportional to 12,073.06, 18,105.15 and 4,173.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,073.06 : 18,105.15 = 4,173.55 : x
2. Step 2: Convert to fraction form
   12,073.06/18,105.15 = 4,173.55/x
3. Step 3: Cross multiply
   12,073.06x = 18,105.15 × 4,173.55
4. Step 4: Simplify right side
   12,073.06x = 75,562,703.52
5. Step 5: Solve for x
   x = 75,562,703.52/12,073.06
6. Step 6: Final answer
   x = 6,258.79