Finding the Fourth Proportional to 16,581, 22,901.22 and 10,982.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,581 : 22,901.22 = 10,982.28 : x
2. Step 2: Convert to fraction form
   16,581/22,901.22 = 10,982.28/x
3. Step 3: Cross multiply
   16,581x = 22,901.22 × 10,982.28
4. Step 4: Simplify right side
   16,581x = 251,507,610.38
5. Step 5: Solve for x
   x = 251,507,610.38/16,581
6. Step 6: Final answer
   x = 15,168.42