Finding the Fourth Proportional to 16,485.39, 22,759.11 and 12,019.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,485.39 : 22,759.11 = 12,019.05 : x
2. Step 2: Convert to fraction form
   16,485.39/22,759.11 = 12,019.05/x
3. Step 3: Cross multiply
   16,485.39x = 22,759.11 × 12,019.05
4. Step 4: Simplify right side
   16,485.39x = 273,542,881.05
5. Step 5: Solve for x
   x = 273,542,881.05/16,485.39
6. Step 6: Final answer
   x = 16,593.05