Finding the Fourth Proportional to 8,269.88, 12,401.58 and 3,074.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,269.88 : 12,401.58 = 3,074.12 : x
2. Step 2: Convert to fraction form
   8,269.88/12,401.58 = 3,074.12/x
3. Step 3: Cross multiply
   8,269.88x = 12,401.58 × 3,074.12
4. Step 4: Simplify right side
   8,269.88x = 38,123,945.11
5. Step 5: Solve for x
   x = 38,123,945.11/8,269.88
6. Step 6: Final answer
   x = 4,609.98