Finding the Fourth Proportional to 14,431.50, 21,584.71 and 8,494.23

Step by Step Solution

1. Step 1: Write the proportion equation
   14,431.50 : 21,584.71 = 8,494.23 : x
2. Step 2: Convert to fraction form
   14,431.50/21,584.71 = 8,494.23/x
3. Step 3: Cross multiply
   14,431.50x = 21,584.71 × 8,494.23
4. Step 4: Simplify right side
   14,431.50x = 183,345,582.78
5. Step 5: Solve for x
   x = 183,345,582.78/14,431.50
6. Step 6: Final answer
   x = 12,704.54