Finding the Fourth Proportional to 12,172.25, 18,258.49 and 3,288.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,172.25 : 18,258.49 = 3,288.02 : x
2. Step 2: Convert to fraction form
   12,172.25/18,258.49 = 3,288.02/x
3. Step 3: Cross multiply
   12,172.25x = 18,258.49 × 3,288.02
4. Step 4: Simplify right side
   12,172.25x = 60,034,235.21
5. Step 5: Solve for x
   x = 60,034,235.21/12,172.25
6. Step 6: Final answer
   x = 4,932.06