Finding the Fourth Proportional to 16,665.04, 22,997.32 and 9,111.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,665.04 : 22,997.32 = 9,111.16 : x
2. Step 2: Convert to fraction form
   16,665.04/22,997.32 = 9,111.16/x
3. Step 3: Cross multiply
   16,665.04x = 22,997.32 × 9,111.16
4. Step 4: Simplify right side
   16,665.04x = 209,532,262.09
5. Step 5: Solve for x
   x = 209,532,262.09/16,665.04
6. Step 6: Final answer
   x = 12,573.16