Finding the Fourth Proportional to 6,674.42, 9,209.89 and 3,689.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,674.42 : 9,209.89 = 3,689.84 : x
2. Step 2: Convert to fraction form
   6,674.42/9,209.89 = 3,689.84/x
3. Step 3: Cross multiply
   6,674.42x = 9,209.89 × 3,689.84
4. Step 4: Simplify right side
   6,674.42x = 33,983,048.15
5. Step 5: Solve for x
   x = 33,983,048.15/6,674.42
6. Step 6: Final answer
   x = 5,091.53