Finding the Fourth Proportional to 16,090.65, 22,205.16 and 9,017.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,090.65 : 22,205.16 = 9,017.15 : x
2. Step 2: Convert to fraction form
   16,090.65/22,205.16 = 9,017.15/x
3. Step 3: Cross multiply
   16,090.65x = 22,205.16 × 9,017.15
4. Step 4: Simplify right side
   16,090.65x = 200,227,147.47
5. Step 5: Solve for x
   x = 200,227,147.47/16,090.65
6. Step 6: Final answer
   x = 12,443.70