Finding the Fourth Proportional to 16,669.46, 23,003.01 and 9,216.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,669.46 : 23,003.01 = 9,216.02 : x
2. Step 2: Convert to fraction form
   16,669.46/23,003.01 = 9,216.02/x
3. Step 3: Cross multiply
   16,669.46x = 23,003.01 × 9,216.02
4. Step 4: Simplify right side
   16,669.46x = 211,996,200.22
5. Step 5: Solve for x
   x = 211,996,200.22/16,669.46
6. Step 6: Final answer
   x = 12,717.64