Finding the Fourth Proportional to 16,085.94, 22,198.85 and 9,371.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,085.94 : 22,198.85 = 9,371.40 : x
2. Step 2: Convert to fraction form
   16,085.94/22,198.85 = 9,371.40/x
3. Step 3: Cross multiply
   16,085.94x = 22,198.85 × 9,371.40
4. Step 4: Simplify right side
   16,085.94x = 208,034,256.03
5. Step 5: Solve for x
   x = 208,034,256.03/16,085.94
6. Step 6: Final answer
   x = 12,932.68