Finding the Fourth Proportional to 16,090.40, 22,203.54 and 9,015.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,090.40 : 22,203.54 = 9,015.46 : x
2. Step 2: Convert to fraction form
   16,090.40/22,203.54 = 9,015.46/x
3. Step 3: Cross multiply
   16,090.40x = 22,203.54 × 9,015.46
4. Step 4: Simplify right side
   16,090.40x = 200,175,015.71
5. Step 5: Solve for x
   x = 200,175,015.71/16,090.40
6. Step 6: Final answer
   x = 12,440.65