Finding the Fourth Proportional to 6,499.38, 9,749.69 and 1,819.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.38 : 9,749.69 = 1,819.40 : x
2. Step 2: Convert to fraction form
   6,499.38/9,749.69 = 1,819.40/x
3. Step 3: Cross multiply
   6,499.38x = 9,749.69 × 1,819.40
4. Step 4: Simplify right side
   6,499.38x = 17,738,534.96
5. Step 5: Solve for x
   x = 17,738,534.96/6,499.38
6. Step 6: Final answer
   x = 2,729.26