Finding the Fourth Proportional to 2,099.85, 3,144.50 and 1,404.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.85 : 3,144.50 = 1,404.56 : x
2. Step 2: Convert to fraction form
   2,099.85/3,144.50 = 1,404.56/x
3. Step 3: Cross multiply
   2,099.85x = 3,144.50 × 1,404.56
4. Step 4: Simplify right side
   2,099.85x = 4,416,638.92
5. Step 5: Solve for x
   x = 4,416,638.92/2,099.85
6. Step 6: Final answer
   x = 2,103.31