Finding the Fourth Proportional to 23,228.88, 32,055.82 and 12,618.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,228.88 : 32,055.82 = 12,618.72 : x
2. Step 2: Convert to fraction form
   23,228.88/32,055.82 = 12,618.72/x
3. Step 3: Cross multiply
   23,228.88x = 32,055.82 × 12,618.72
4. Step 4: Simplify right side
   23,228.88x = 404,503,385.40
5. Step 5: Solve for x
   x = 404,503,385.40/23,228.88
6. Step 6: Final answer
   x = 17,413.82