Finding the Fourth Proportional to 16,168.46, 22,315.54 and 10,121.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,168.46 : 22,315.54 = 10,121.50 : x
2. Step 2: Convert to fraction form
   16,168.46/22,315.54 = 10,121.50/x
3. Step 3: Cross multiply
   16,168.46x = 22,315.54 × 10,121.50
4. Step 4: Simplify right side
   16,168.46x = 225,866,738.11
5. Step 5: Solve for x
   x = 225,866,738.11/16,168.46
6. Step 6: Final answer
   x = 13,969.59