Finding the Fourth Proportional to 3,520.55, 4,857.59 and 2,104.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,520.55 : 4,857.59 = 2,104.03 : x
2. Step 2: Convert to fraction form
   3,520.55/4,857.59 = 2,104.03/x
3. Step 3: Cross multiply
   3,520.55x = 4,857.59 × 2,104.03
4. Step 4: Simplify right side
   3,520.55x = 10,220,508.20
5. Step 5: Solve for x
   x = 10,220,508.20/3,520.55
6. Step 6: Final answer
   x = 2,903.10