Finding the Fourth Proportional to 23,228.80, 32,055.82 and 12,618.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,228.80 : 32,055.82 = 12,618.22 : x
2. Step 2: Convert to fraction form
   23,228.80/32,055.82 = 12,618.22/x
3. Step 3: Cross multiply
   23,228.80x = 32,055.82 × 12,618.22
4. Step 4: Simplify right side
   23,228.80x = 404,487,389.04
5. Step 5: Solve for x
   x = 404,487,389.04/23,228.80
6. Step 6: Final answer
   x = 17,413.18