Finding the Fourth Proportional to 8,401.92, 12,600.87 and 3,719.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,401.92 : 12,600.87 = 3,719.35 : x
2. Step 2: Convert to fraction form
   8,401.92/12,600.87 = 3,719.35/x
3. Step 3: Cross multiply
   8,401.92x = 12,600.87 × 3,719.35
4. Step 4: Simplify right side
   8,401.92x = 46,867,045.83
5. Step 5: Solve for x
   x = 46,867,045.83/8,401.92
6. Step 6: Final answer
   x = 5,578.14