Finding the Fourth Proportional to 16,669.98, 23,004.59 and 9,116.19

Step by Step Solution

1. Step 1: Write the proportion equation
   16,669.98 : 23,004.59 = 9,116.19 : x
2. Step 2: Convert to fraction form
   16,669.98/23,004.59 = 9,116.19/x
3. Step 3: Cross multiply
   16,669.98x = 23,004.59 × 9,116.19
4. Step 4: Simplify right side
   16,669.98x = 209,714,167.73
5. Step 5: Solve for x
   x = 209,714,167.73/16,669.98
6. Step 6: Final answer
   x = 12,580.35