Finding the Fourth Proportional to 6,705.69, 9,253.39 and 3,721.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,705.69 : 9,253.39 = 3,721.42 : x
2. Step 2: Convert to fraction form
   6,705.69/9,253.39 = 3,721.42/x
3. Step 3: Cross multiply
   6,705.69x = 9,253.39 × 3,721.42
4. Step 4: Simplify right side
   6,705.69x = 34,435,750.61
5. Step 5: Solve for x
   x = 34,435,750.61/6,705.69
6. Step 6: Final answer
   x = 5,135.30