Finding the Fourth Proportional to 19,819.89, 27,351.31 and 10,867.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,819.89 : 27,351.31 = 10,867.25 : x
2. Step 2: Convert to fraction form
   19,819.89/27,351.31 = 10,867.25/x
3. Step 3: Cross multiply
   19,819.89x = 27,351.31 × 10,867.25
4. Step 4: Simplify right side
   19,819.89x = 297,233,523.60
5. Step 5: Solve for x
   x = 297,233,523.60/19,819.89
6. Step 6: Final answer
   x = 14,996.73