Finding the Fourth Proportional to 3,893.20, 5,371.24 and 2,496.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,893.20 : 5,371.24 = 2,496.72 : x
2. Step 2: Convert to fraction form
   3,893.20/5,371.24 = 2,496.72/x
3. Step 3: Cross multiply
   3,893.20x = 5,371.24 × 2,496.72
4. Step 4: Simplify right side
   3,893.20x = 13,410,482.33
5. Step 5: Solve for x
   x = 13,410,482.33/3,893.20
6. Step 6: Final answer
   x = 3,444.59