Finding the Fourth Proportional to 23,228.61, 32,055.62 and 12,618.33

Step by Step Solution

1. Step 1: Write the proportion equation
   23,228.61 : 32,055.62 = 12,618.33 : x
2. Step 2: Convert to fraction form
   23,228.61/32,055.62 = 12,618.33/x
3. Step 3: Cross multiply
   23,228.61x = 32,055.62 × 12,618.33
4. Step 4: Simplify right side
   23,228.61x = 404,488,328.42
5. Step 5: Solve for x
   x = 404,488,328.42/23,228.61
6. Step 6: Final answer
   x = 17,413.37