Finding the Fourth Proportional to 3,520.72, 4,855.56 and 2,193.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,520.72 : 4,855.56 = 2,193.04 : x
2. Step 2: Convert to fraction form
   3,520.72/4,855.56 = 2,193.04/x
3. Step 3: Cross multiply
   3,520.72x = 4,855.56 × 2,193.04
4. Step 4: Simplify right side
   3,520.72x = 10,648,437.30
5. Step 5: Solve for x
   x = 10,648,437.30/3,520.72
6. Step 6: Final answer
   x = 3,024.51