Finding the Fourth Proportional to 16,085.76, 22,198.34 and 9,012.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,085.76 : 22,198.34 = 9,012.22 : x
2. Step 2: Convert to fraction form
   16,085.76/22,198.34 = 9,012.22/x
3. Step 3: Cross multiply
   16,085.76x = 22,198.34 × 9,012.22
4. Step 4: Simplify right side
   16,085.76x = 200,056,323.71
5. Step 5: Solve for x
   x = 200,056,323.71/16,085.76
6. Step 6: Final answer
   x = 12,436.86