Finding the Fourth Proportional to 8,269.74, 12,401.37 and 3,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,269.74 : 12,401.37 = 3,649.50 : x
2. Step 2: Convert to fraction form
   8,269.74/12,401.37 = 3,649.50/x
3. Step 3: Cross multiply
   8,269.74x = 12,401.37 × 3,649.50
4. Step 4: Simplify right side
   8,269.74x = 45,258,799.82
5. Step 5: Solve for x
   x = 45,258,799.82/8,269.74
6. Step 6: Final answer
   x = 5,472.82