Finding the Fourth Proportional to 6,498.42, 9,745.38 and 2,115.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,498.42 : 9,745.38 = 2,115.06 : x
2. Step 2: Convert to fraction form
   6,498.42/9,745.38 = 2,115.06/x
3. Step 3: Cross multiply
   6,498.42x = 9,745.38 × 2,115.06
4. Step 4: Simplify right side
   6,498.42x = 20,612,063.42
5. Step 5: Solve for x
   x = 20,612,063.42/6,498.42
6. Step 6: Final answer
   x = 3,171.86