Finding the Fourth Proportional to 23,228.49, 32,055.30 and 12,618.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,228.49 : 32,055.30 = 12,618.36 : x
2. Step 2: Convert to fraction form
   23,228.49/32,055.30 = 12,618.36/x
3. Step 3: Cross multiply
   23,228.49x = 32,055.30 × 12,618.36
4. Step 4: Simplify right side
   23,228.49x = 404,485,315.31
5. Step 5: Solve for x
   x = 404,485,315.31/23,228.49
6. Step 6: Final answer
   x = 17,413.33