Finding the Fourth Proportional to 12,073.43, 18,105.71 and 4,173.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,073.43 : 18,105.71 = 4,173.92 : x
2. Step 2: Convert to fraction form
   12,073.43/18,105.71 = 4,173.92/x
3. Step 3: Cross multiply
   12,073.43x = 18,105.71 × 4,173.92
4. Step 4: Simplify right side
   12,073.43x = 75,571,840.78
5. Step 5: Solve for x
   x = 75,571,840.78/12,073.43
6. Step 6: Final answer
   x = 6,259.35