Finding the Fourth Proportional to 22,019.83, 30,389.12 and 12,589

Step by Step Solution

1. Step 1: Write the proportion equation
   22,019.83 : 30,389.12 = 12,589 : x
2. Step 2: Convert to fraction form
   22,019.83/30,389.12 = 12,589/x
3. Step 3: Cross multiply
   22,019.83x = 30,389.12 × 12,589
4. Step 4: Simplify right side
   22,019.83x = 382,568,631.68
5. Step 5: Solve for x
   x = 382,568,631.68/22,019.83
6. Step 6: Final answer
   x = 17,373.82