Finding the Fourth Proportional to 3,893.50, 5,812.02 and 3,604.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,893.50 : 5,812.02 = 3,604.43 : x
2. Step 2: Convert to fraction form
   3,893.50/5,812.02 = 3,604.43/x
3. Step 3: Cross multiply
   3,893.50x = 5,812.02 × 3,604.43
4. Step 4: Simplify right side
   3,893.50x = 20,949,033.78
5. Step 5: Solve for x
   x = 20,949,033.78/3,893.50
6. Step 6: Final answer
   x = 5,380.51