Finding the Fourth Proportional to 8,401.69, 12,604.61 and 3,472.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,401.69 : 12,604.61 = 3,472.74 : x
2. Step 2: Convert to fraction form
   8,401.69/12,604.61 = 3,472.74/x
3. Step 3: Cross multiply
   8,401.69x = 12,604.61 × 3,472.74
4. Step 4: Simplify right side
   8,401.69x = 43,772,542.01
5. Step 5: Solve for x
   x = 43,772,542.01/8,401.69
6. Step 6: Final answer
   x = 5,209.97