Finding the Fourth Proportional to 16,078.94, 22,191.61 and 9,368.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,078.94 : 22,191.61 = 9,368.49 : x
2. Step 2: Convert to fraction form
   16,078.94/22,191.61 = 9,368.49/x
3. Step 3: Cross multiply
   16,078.94x = 22,191.61 × 9,368.49
4. Step 4: Simplify right side
   16,078.94x = 207,901,876.37
5. Step 5: Solve for x
   x = 207,901,876.37/16,078.94
6. Step 6: Final answer
   x = 12,930.07