Finding the Fourth Proportional to 6,464.72, 9,699.96 and 3,386

Step by Step Solution

1. Step 1: Write the proportion equation
   6,464.72 : 9,699.96 = 3,386 : x
2. Step 2: Convert to fraction form
   6,464.72/9,699.96 = 3,386/x
3. Step 3: Cross multiply
   6,464.72x = 9,699.96 × 3,386
4. Step 4: Simplify right side
   6,464.72x = 32,844,064.56
5. Step 5: Solve for x
   x = 32,844,064.56/6,464.72
6. Step 6: Final answer
   x = 5,080.51