Finding the Fourth Proportional to 6,643.82, 9,952.94 and 3,724.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,643.82 : 9,952.94 = 3,724.18 : x
2. Step 2: Convert to fraction form
   6,643.82/9,952.94 = 3,724.18/x
3. Step 3: Cross multiply
   6,643.82x = 9,952.94 × 3,724.18
4. Step 4: Simplify right side
   6,643.82x = 37,066,524.52
5. Step 5: Solve for x
   x = 37,066,524.52/6,643.82
6. Step 6: Final answer
   x = 5,579.10