Finding the Fourth Proportional to 16,822.34, 23,214.72 and 9,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,822.34 : 23,214.72 = 9,268.50 : x
2. Step 2: Convert to fraction form
   16,822.34/23,214.72 = 9,268.50/x
3. Step 3: Cross multiply
   16,822.34x = 23,214.72 × 9,268.50
4. Step 4: Simplify right side
   16,822.34x = 215,165,632.32
5. Step 5: Solve for x
   x = 215,165,632.32/16,822.34
6. Step 6: Final answer
   x = 12,790.47