Finding the Fourth Proportional to 16,823.31, 23,216.16 and 9,269.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,823.31 : 23,216.16 = 9,269.63 : x
2. Step 2: Convert to fraction form
   16,823.31/23,216.16 = 9,269.63/x
3. Step 3: Cross multiply
   16,823.31x = 23,216.16 × 9,269.63
4. Step 4: Simplify right side
   16,823.31x = 215,205,097.14
5. Step 5: Solve for x
   x = 215,205,097.14/16,823.31
6. Step 6: Final answer
   x = 12,792.08