Finding the Fourth Proportional to 3,520.50, 4,857.48 and 2,103.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,520.50 : 4,857.48 = 2,103.94 : x
2. Step 2: Convert to fraction form
   3,520.50/4,857.48 = 2,103.94/x
3. Step 3: Cross multiply
   3,520.50x = 4,857.48 × 2,103.94
4. Step 4: Simplify right side
   3,520.50x = 10,219,846.47
5. Step 5: Solve for x
   x = 10,219,846.47/3,520.50
6. Step 6: Final answer
   x = 2,902.95