Finding the Fourth Proportional to 6,465.32, 9,680.56 and 3,380.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,465.32 : 9,680.56 = 3,380.84 : x
2. Step 2: Convert to fraction form
   6,465.32/9,680.56 = 3,380.84/x
3. Step 3: Cross multiply
   6,465.32x = 9,680.56 × 3,380.84
4. Step 4: Simplify right side
   6,465.32x = 32,728,424.47
5. Step 5: Solve for x
   x = 32,728,424.47/6,465.32
6. Step 6: Final answer
   x = 5,062.15