Finding the Fourth Proportional to 12,238, 18,357.18 and 3,004

Step by Step Solution

1. Step 1: Write the proportion equation
   12,238 : 18,357.18 = 3,004 : x
2. Step 2: Convert to fraction form
   12,238/18,357.18 = 3,004/x
3. Step 3: Cross multiply
   12,238x = 18,357.18 × 3,004
4. Step 4: Simplify right side
   12,238x = 55,144,968.72
5. Step 5: Solve for x
   x = 55,144,968.72/12,238
6. Step 6: Final answer
   x = 4,506.04