Finding the Fourth Proportional to 12,404.36, 17,119.42 and 8,626.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.36 : 17,119.42 = 8,626.52 : x
2. Step 2: Convert to fraction form
   12,404.36/17,119.42 = 8,626.52/x
3. Step 3: Cross multiply
   12,404.36x = 17,119.42 × 8,626.52
4. Step 4: Simplify right side
   12,404.36x = 147,681,019.02
5. Step 5: Solve for x
   x = 147,681,019.02/12,404.36
6. Step 6: Final answer
   x = 11,905.57