Finding the Fourth Proportional to 3,896.50, 5,816.49 and 3,607.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,896.50 : 5,816.49 = 3,607.43 : x
2. Step 2: Convert to fraction form
   3,896.50/5,816.49 = 3,607.43/x
3. Step 3: Cross multiply
   3,896.50x = 5,816.49 × 3,607.43
4. Step 4: Simplify right side
   3,896.50x = 20,982,580.52
5. Step 5: Solve for x
   x = 20,982,580.52/3,896.50
6. Step 6: Final answer
   x = 5,384.98