Finding the Fourth Proportional to 6,500.81, 9,749.59 and 1,819.61

Step by Step Solution

1. Step 1: Write the proportion equation
   6,500.81 : 9,749.59 = 1,819.61 : x
2. Step 2: Convert to fraction form
   6,500.81/9,749.59 = 1,819.61/x
3. Step 3: Cross multiply
   6,500.81x = 9,749.59 × 1,819.61
4. Step 4: Simplify right side
   6,500.81x = 17,740,434.72
5. Step 5: Solve for x
   x = 17,740,434.72/6,500.81
6. Step 6: Final answer
   x = 2,728.96