Finding the Fourth Proportional to 12,019.05, 18,041.76 and 5,004.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,019.05 : 18,041.76 = 5,004.09 : x
2. Step 2: Convert to fraction form
   12,019.05/18,041.76 = 5,004.09/x
3. Step 3: Cross multiply
   12,019.05x = 18,041.76 × 5,004.09
4. Step 4: Simplify right side
   12,019.05x = 90,282,590.80
5. Step 5: Solve for x
   x = 90,282,590.80/12,019.05
6. Step 6: Final answer
   x = 7,511.62