Finding the Fourth Proportional to 12,020.38, 18,028.34 and 3,254.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,020.38 : 18,028.34 = 3,254.16 : x
2. Step 2: Convert to fraction form
   12,020.38/18,028.34 = 3,254.16/x
3. Step 3: Cross multiply
   12,020.38x = 18,028.34 × 3,254.16
4. Step 4: Simplify right side
   12,020.38x = 58,667,102.89
5. Step 5: Solve for x
   x = 58,667,102.89/12,020.38
6. Step 6: Final answer
   x = 4,880.64