Finding the Fourth Proportional to 6,530.38, 9,796.78 and 2,150.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,530.38 : 9,796.78 = 2,150.91 : x
2. Step 2: Convert to fraction form
   6,530.38/9,796.78 = 2,150.91/x
3. Step 3: Cross multiply
   6,530.38x = 9,796.78 × 2,150.91
4. Step 4: Simplify right side
   6,530.38x = 21,071,992.07
5. Step 5: Solve for x
   x = 21,071,992.07/6,530.38
6. Step 6: Final answer
   x = 3,226.76