Finding the Fourth Proportional to 16,106.78, 22,227.59 and 12,066.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,106.78 : 22,227.59 = 12,066.45 : x
2. Step 2: Convert to fraction form
   16,106.78/22,227.59 = 12,066.45/x
3. Step 3: Cross multiply
   16,106.78x = 22,227.59 × 12,066.45
4. Step 4: Simplify right side
   16,106.78x = 268,208,103.36
5. Step 5: Solve for x
   x = 268,208,103.36/16,106.78
6. Step 6: Final answer
   x = 16,651.88