Finding the Fourth Proportional to 6,139.33, 9,209.05 and 3,364.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139.33 : 9,209.05 = 3,364.49 : x
2. Step 2: Convert to fraction form
   6,139.33/9,209.05 = 3,364.49/x
3. Step 3: Cross multiply
   6,139.33x = 9,209.05 × 3,364.49
4. Step 4: Simplify right side
   6,139.33x = 30,983,710.59
5. Step 5: Solve for x
   x = 30,983,710.59/6,139.33
6. Step 6: Final answer
   x = 5,046.76