Finding the Fourth Proportional to 10,728.12, 16,089.42 and 4,883.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,728.12 : 16,089.42 = 4,883.52 : x
2. Step 2: Convert to fraction form
   10,728.12/16,089.42 = 4,883.52/x
3. Step 3: Cross multiply
   10,728.12x = 16,089.42 × 4,883.52
4. Step 4: Simplify right side
   10,728.12x = 78,573,004.36
5. Step 5: Solve for x
   x = 78,573,004.36/10,728.12
6. Step 6: Final answer
   x = 7,324.02