Finding the Fourth Proportional to 16,028.28, 22,117.41 and 10,996.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,028.28 : 22,117.41 = 10,996.83 : x
2. Step 2: Convert to fraction form
   16,028.28/22,117.41 = 10,996.83/x
3. Step 3: Cross multiply
   16,028.28x = 22,117.41 × 10,996.83
4. Step 4: Simplify right side
   16,028.28x = 243,221,397.81
5. Step 5: Solve for x
   x = 243,221,397.81/16,028.28
6. Step 6: Final answer
   x = 15,174.52