Finding the Fourth Proportional to 16,664.22, 22,997.24 and 9,111.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,664.22 : 22,997.24 = 9,111.05 : x
2. Step 2: Convert to fraction form
   16,664.22/22,997.24 = 9,111.05/x
3. Step 3: Cross multiply
   16,664.22x = 22,997.24 × 9,111.05
4. Step 4: Simplify right side
   16,664.22x = 209,528,842.96
5. Step 5: Solve for x
   x = 209,528,842.96/16,664.22
6. Step 6: Final answer
   x = 12,573.58