Finding the Fourth Proportional to 3,825.33, 5,732.47 and 2,178.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,825.33 : 5,732.47 = 2,178.39 : x
2. Step 2: Convert to fraction form
   3,825.33/5,732.47 = 2,178.39/x
3. Step 3: Cross multiply
   3,825.33x = 5,732.47 × 2,178.39
4. Step 4: Simplify right side
   3,825.33x = 12,487,579.54
5. Step 5: Solve for x
   x = 12,487,579.54/3,825.33
6. Step 6: Final answer
   x = 3,264.45