Finding the Fourth Proportional to 6,530.34, 9,795.72 and 2,147.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,530.34 : 9,795.72 = 2,147.30 : x
2. Step 2: Convert to fraction form
   6,530.34/9,795.72 = 2,147.30/x
3. Step 3: Cross multiply
   6,530.34x = 9,795.72 × 2,147.30
4. Step 4: Simplify right side
   6,530.34x = 21,034,349.56
5. Step 5: Solve for x
   x = 21,034,349.56/6,530.34
6. Step 6: Final answer
   x = 3,221.02