Finding the Fourth Proportional to 3,945.23, 5,907.72 and 3,828.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.23 : 5,907.72 = 3,828.44 : x
2. Step 2: Convert to fraction form
   3,945.23/5,907.72 = 3,828.44/x
3. Step 3: Cross multiply
   3,945.23x = 5,907.72 × 3,828.44
4. Step 4: Simplify right side
   3,945.23x = 22,617,322.02
5. Step 5: Solve for x
   x = 22,617,322.02/3,945.23
6. Step 6: Final answer
   x = 5,732.83