Finding the Fourth Proportional to 3,977.20, 5,964.72 and 3,323.26

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977.20 : 5,964.72 = 3,323.26 : x
2. Step 2: Convert to fraction form
   3,977.20/5,964.72 = 3,323.26/x
3. Step 3: Cross multiply
   3,977.20x = 5,964.72 × 3,323.26
4. Step 4: Simplify right side
   3,977.20x = 19,822,315.39
5. Step 5: Solve for x
   x = 19,822,315.39/3,977.20
6. Step 6: Final answer
   x = 4,983.99