Finding the Fourth Proportional to 16,323.82, 22,539.57 and 12,540.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,323.82 : 22,539.57 = 12,540.98 : x
2. Step 2: Convert to fraction form
   16,323.82/22,539.57 = 12,540.98/x
3. Step 3: Cross multiply
   16,323.82x = 22,539.57 × 12,540.98
4. Step 4: Simplify right side
   16,323.82x = 282,668,296.58
5. Step 5: Solve for x
   x = 282,668,296.58/16,323.82
6. Step 6: Final answer
   x = 17,316.31