Finding the Fourth Proportional to 16,559.54, 22,840.80 and 13,826.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,559.54 : 22,840.80 = 13,826.54 : x
2. Step 2: Convert to fraction form
   16,559.54/22,840.80 = 13,826.54/x
3. Step 3: Cross multiply
   16,559.54x = 22,840.80 × 13,826.54
4. Step 4: Simplify right side
   16,559.54x = 315,809,234.83
5. Step 5: Solve for x
   x = 315,809,234.83/16,559.54
6. Step 6: Final answer
   x = 19,071.14