Finding the Fourth Proportional to 12,270, 18,405.06 and 3,036

Step by Step Solution

1. Step 1: Write the proportion equation
   12,270 : 18,405.06 = 3,036 : x
2. Step 2: Convert to fraction form
   12,270/18,405.06 = 3,036/x
3. Step 3: Cross multiply
   12,270x = 18,405.06 × 3,036
4. Step 4: Simplify right side
   12,270x = 55,877,762.16
5. Step 5: Solve for x
   x = 55,877,762.16/12,270
6. Step 6: Final answer
   x = 4,554.01