Finding the Fourth Proportional to 16,583.83, 22,878.42 and 10,911.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,583.83 : 22,878.42 = 10,911.28 : x
2. Step 2: Convert to fraction form
   16,583.83/22,878.42 = 10,911.28/x
3. Step 3: Cross multiply
   16,583.83x = 22,878.42 × 10,911.28
4. Step 4: Simplify right side
   16,583.83x = 249,632,846.58
5. Step 5: Solve for x
   x = 249,632,846.58/16,583.83
6. Step 6: Final answer
   x = 15,052.79