Finding the Fourth Proportional to 6,728.00, 10,089.06 and 3,394.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,728.00 : 10,089.06 = 3,394.20 : x
2. Step 2: Convert to fraction form
   6,728.00/10,089.06 = 3,394.20/x
3. Step 3: Cross multiply
   6,728.00x = 10,089.06 × 3,394.20
4. Step 4: Simplify right side
   6,728.00x = 34,244,236.89
5. Step 5: Solve for x
   x = 34,244,236.89/6,728.00
6. Step 6: Final answer
   x = 5,089.81