Finding the Fourth Proportional to 14,522.30, 21,791.74 and 12,086.62

Step by Step Solution

1. Step 1: Write the proportion equation
   14,522.30 : 21,791.74 = 12,086.62 : x
2. Step 2: Convert to fraction form
   14,522.30/21,791.74 = 12,086.62/x
3. Step 3: Cross multiply
   14,522.30x = 21,791.74 × 12,086.62
4. Step 4: Simplify right side
   14,522.30x = 263,388,480.52
5. Step 5: Solve for x
   x = 263,388,480.52/14,522.30
6. Step 6: Final answer
   x = 18,136.83