Finding the Fourth Proportional to 16,146.24, 22,290.24 and 10,868.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,146.24 : 22,290.24 = 10,868.88 : x
2. Step 2: Convert to fraction form
   16,146.24/22,290.24 = 10,868.88/x
3. Step 3: Cross multiply
   16,146.24x = 22,290.24 × 10,868.88
4. Step 4: Simplify right side
   16,146.24x = 242,269,943.73
5. Step 5: Solve for x
   x = 242,269,943.73/16,146.24
6. Step 6: Final answer
   x = 15,004.73