Finding the Fourth Proportional to 10,728.75, 16,095.86 and 3,333.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,728.75 : 16,095.86 = 3,333.30 : x
2. Step 2: Convert to fraction form
   10,728.75/16,095.86 = 3,333.30/x
3. Step 3: Cross multiply
   10,728.75x = 16,095.86 × 3,333.30
4. Step 4: Simplify right side
   10,728.75x = 53,652,374.90
5. Step 5: Solve for x
   x = 53,652,374.90/10,728.75
6. Step 6: Final answer
   x = 5,000.80