Finding the Fourth Proportional to 22,050.60, 30,429.30 and 12,618.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,050.60 : 30,429.30 = 12,618.54 : x
2. Step 2: Convert to fraction form
   22,050.60/30,429.30 = 12,618.54/x
3. Step 3: Cross multiply
   22,050.60x = 30,429.30 × 12,618.54
4. Step 4: Simplify right side
   22,050.60x = 383,973,339.22
5. Step 5: Solve for x
   x = 383,973,339.22/22,050.60
6. Step 6: Final answer
   x = 17,413.28