Finding the Fourth Proportional to 12,401.10, 18,601.52 and 3,635.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.10 : 18,601.52 = 3,635.69 : x
2. Step 2: Convert to fraction form
   12,401.10/18,601.52 = 3,635.69/x
3. Step 3: Cross multiply
   12,401.10x = 18,601.52 × 3,635.69
4. Step 4: Simplify right side
   12,401.10x = 67,629,249.06
5. Step 5: Solve for x
   x = 67,629,249.06/12,401.10
6. Step 6: Final answer
   x = 5,453.49