Finding the Fourth Proportional to 16,919, 25,333.08 and 13,786.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,919 : 25,333.08 = 13,786.16 : x
2. Step 2: Convert to fraction form
   16,919/25,333.08 = 13,786.16/x
3. Step 3: Cross multiply
   16,919x = 25,333.08 × 13,786.16
4. Step 4: Simplify right side
   16,919x = 349,245,894.17
5. Step 5: Solve for x
   x = 349,245,894.17/16,919
6. Step 6: Final answer
   x = 20,642.23