Finding the Fourth Proportional to 43,568.85, 65,351.91 and 12,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   43,568.85 : 65,351.91 = 12,404.10 : x
2. Step 2: Convert to fraction form
   43,568.85/65,351.91 = 12,404.10/x
3. Step 3: Cross multiply
   43,568.85x = 65,351.91 × 12,404.10
4. Step 4: Simplify right side
   43,568.85x = 810,631,626.83
5. Step 5: Solve for x
   x = 810,631,626.83/43,568.85
6. Step 6: Final answer
   x = 18,605.76