Finding the Fourth Proportional to 6,643.49, 9,167.76 and 3,659.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,643.49 : 9,167.76 = 3,659.54 : x
2. Step 2: Convert to fraction form
   6,643.49/9,167.76 = 3,659.54/x
3. Step 3: Cross multiply
   6,643.49x = 9,167.76 × 3,659.54
4. Step 4: Simplify right side
   6,643.49x = 33,549,738.59
5. Step 5: Solve for x
   x = 33,549,738.59/6,643.49
6. Step 6: Final answer
   x = 5,050.02