Finding the Fourth Proportional to 14,783.69, 20,401.55 and 8,069.46

Step by Step Solution

1. Step 1: Write the proportion equation
   14,783.69 : 20,401.55 = 8,069.46 : x
2. Step 2: Convert to fraction form
   14,783.69/20,401.55 = 8,069.46/x
3. Step 3: Cross multiply
   14,783.69x = 20,401.55 × 8,069.46
4. Step 4: Simplify right side
   14,783.69x = 164,629,451.32
5. Step 5: Solve for x
   x = 164,629,451.32/14,783.69
6. Step 6: Final answer
   x = 11,135.89