Finding the Fourth Proportional to 8,401.67, 12,605.35 and 3,721.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,401.67 : 12,605.35 = 3,721.04 : x
2. Step 2: Convert to fraction form
   8,401.67/12,605.35 = 3,721.04/x
3. Step 3: Cross multiply
   8,401.67x = 12,605.35 × 3,721.04
4. Step 4: Simplify right side
   8,401.67x = 46,905,011.56
5. Step 5: Solve for x
   x = 46,905,011.56/8,401.67
6. Step 6: Final answer
   x = 5,582.82