Finding the Fourth Proportional to 3,493.50, 4,821.72 and 2,002.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,493.50 : 4,821.72 = 2,002.42 : x
2. Step 2: Convert to fraction form
   3,493.50/4,821.72 = 2,002.42/x
3. Step 3: Cross multiply
   3,493.50x = 4,821.72 × 2,002.42
4. Step 4: Simplify right side
   3,493.50x = 9,655,108.56
5. Step 5: Solve for x
   x = 9,655,108.56/3,493.50
6. Step 6: Final answer
   x = 2,763.74