Finding the Fourth Proportional to 16,822.89, 23,215.48 and 9,269.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,822.89 : 23,215.48 = 9,269.05 : x
2. Step 2: Convert to fraction form
   16,822.89/23,215.48 = 9,269.05/x
3. Step 3: Cross multiply
   16,822.89x = 23,215.48 × 9,269.05
4. Step 4: Simplify right side
   16,822.89x = 215,185,444.89
5. Step 5: Solve for x
   x = 215,185,444.89/16,822.89
6. Step 6: Final answer
   x = 12,791.23