Finding the Fourth Proportional to 16,162.63, 22,304.23 and 9,090.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,162.63 : 22,304.23 = 9,090.25 : x
2. Step 2: Convert to fraction form
   16,162.63/22,304.23 = 9,090.25/x
3. Step 3: Cross multiply
   16,162.63x = 22,304.23 × 9,090.25
4. Step 4: Simplify right side
   16,162.63x = 202,751,026.76
5. Step 5: Solve for x
   x = 202,751,026.76/16,162.63
6. Step 6: Final answer
   x = 12,544.43