Finding the Fourth Proportional to 6,498.10, 9,749.41 and 2,115.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,498.10 : 9,749.41 = 2,115.53 : x
2. Step 2: Convert to fraction form
   6,498.10/9,749.41 = 2,115.53/x
3. Step 3: Cross multiply
   6,498.10x = 9,749.41 × 2,115.53
4. Step 4: Simplify right side
   6,498.10x = 20,625,115.30
5. Step 5: Solve for x
   x = 20,625,115.30/6,498.10
6. Step 6: Final answer
   x = 3,174.02