Finding the Fourth Proportional to 6,498.82, 9,749.24 and 2,115.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,498.82 : 9,749.24 = 2,115.25 : x
2. Step 2: Convert to fraction form
   6,498.82/9,749.24 = 2,115.25/x
3. Step 3: Cross multiply
   6,498.82x = 9,749.24 × 2,115.25
4. Step 4: Simplify right side
   6,498.82x = 20,622,079.91
5. Step 5: Solve for x
   x = 20,622,079.91/6,498.82
6. Step 6: Final answer
   x = 3,173.20