Finding the Fourth Proportional to 12,269.03, 18,401.76 and 3,947.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,269.03 : 18,401.76 = 3,947.94 : x
2. Step 2: Convert to fraction form
   12,269.03/18,401.76 = 3,947.94/x
3. Step 3: Cross multiply
   12,269.03x = 18,401.76 × 3,947.94
4. Step 4: Simplify right side
   12,269.03x = 72,649,044.37
5. Step 5: Solve for x
   x = 72,649,044.37/12,269.03
6. Step 6: Final answer
   x = 5,921.34