Finding the Fourth Proportional to 16,518, 22,789.32 and 9,346.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,518 : 22,789.32 = 9,346.92 : x
2. Step 2: Convert to fraction form
   16,518/22,789.32 = 9,346.92/x
3. Step 3: Cross multiply
   16,518x = 22,789.32 × 9,346.92
4. Step 4: Simplify right side
   16,518x = 213,009,950.89
5. Step 5: Solve for x
   x = 213,009,950.89/16,518
6. Step 6: Final answer
   x = 12,895.63