Finding the Fourth Proportional to 6,520.38, 9,767.88 and 4,322.58

Step by Step Solution

1. Step 1: Write the proportion equation
   6,520.38 : 9,767.88 = 4,322.58 : x
2. Step 2: Convert to fraction form
   6,520.38/9,767.88 = 4,322.58/x
3. Step 3: Cross multiply
   6,520.38x = 9,767.88 × 4,322.58
4. Step 4: Simplify right side
   6,520.38x = 42,222,442.73
5. Step 5: Solve for x
   x = 42,222,442.73/6,520.38
6. Step 6: Final answer
   x = 6,475.46