Finding the Fourth Proportional to 3,892.97, 5,372.31 and 2,321.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.97 : 5,372.31 = 2,321.03 : x
2. Step 2: Convert to fraction form
   3,892.97/5,372.31 = 2,321.03/x
3. Step 3: Cross multiply
   3,892.97x = 5,372.31 × 2,321.03
4. Step 4: Simplify right side
   3,892.97x = 12,469,265.82
5. Step 5: Solve for x
   x = 12,469,265.82/3,892.97
6. Step 6: Final answer
   x = 3,203.03