Finding the Fourth Proportional to 16,200.28, 22,369.98 and 10,912.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,200.28 : 22,369.98 = 10,912.60 : x
2. Step 2: Convert to fraction form
   16,200.28/22,369.98 = 10,912.60/x
3. Step 3: Cross multiply
   16,200.28x = 22,369.98 × 10,912.60
4. Step 4: Simplify right side
   16,200.28x = 244,114,643.75
5. Step 5: Solve for x
   x = 244,114,643.75/16,200.28
6. Step 6: Final answer
   x = 15,068.54