Finding the Fourth Proportional to 2,748.54, 4,119.57 and 1,449.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.54 : 4,119.57 = 1,449.30 : x
2. Step 2: Convert to fraction form
   2,748.54/4,119.57 = 1,449.30/x
3. Step 3: Cross multiply
   2,748.54x = 4,119.57 × 1,449.30
4. Step 4: Simplify right side
   2,748.54x = 5,970,492.80
5. Step 5: Solve for x
   x = 5,970,492.80/2,748.54
6. Step 6: Final answer
   x = 2,172.24