Finding the Fourth Proportional to 12,012.68, 18,016.52 and 3,245.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,012.68 : 18,016.52 = 3,245.54 : x
2. Step 2: Convert to fraction form
   12,012.68/18,016.52 = 3,245.54/x
3. Step 3: Cross multiply
   12,012.68x = 18,016.52 × 3,245.54
4. Step 4: Simplify right side
   12,012.68x = 58,473,320.09
5. Step 5: Solve for x
   x = 58,473,320.09/12,012.68
6. Step 6: Final answer
   x = 4,867.63