Finding the Fourth Proportional to 16,558.54, 22,839.42 and 13,825.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,558.54 : 22,839.42 = 13,825.54 : x
2. Step 2: Convert to fraction form
   16,558.54/22,839.42 = 13,825.54/x
3. Step 3: Cross multiply
   16,558.54x = 22,839.42 × 13,825.54
4. Step 4: Simplify right side
   16,558.54x = 315,767,314.79
5. Step 5: Solve for x
   x = 315,767,314.79/16,558.54
6. Step 6: Final answer
   x = 19,069.76