Finding the Fourth Proportional to 10,828.31, 16,229.39 and 5,273.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,828.31 : 16,229.39 = 5,273.33 : x
2. Step 2: Convert to fraction form
   10,828.31/16,229.39 = 5,273.33/x
3. Step 3: Cross multiply
   10,828.31x = 16,229.39 × 5,273.33
4. Step 4: Simplify right side
   10,828.31x = 85,582,902.80
5. Step 5: Solve for x
   x = 85,582,902.80/10,828.31
6. Step 6: Final answer
   x = 7,903.63