Finding the Fourth Proportional to 16,893.15, 23,310.77 and 9,338.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,893.15 : 23,310.77 = 9,338.27 : x
2. Step 2: Convert to fraction form
   16,893.15/23,310.77 = 9,338.27/x
3. Step 3: Cross multiply
   16,893.15x = 23,310.77 × 9,338.27
4. Step 4: Simplify right side
   16,893.15x = 217,682,100.92
5. Step 5: Solve for x
   x = 217,682,100.92/16,893.15
6. Step 6: Final answer
   x = 12,885.82