Finding the Fourth Proportional to 2,245.48, 3,100.17 and 1,449.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.48 : 3,100.17 = 1,449.21 : x
2. Step 2: Convert to fraction form
   2,245.48/3,100.17 = 1,449.21/x
3. Step 3: Cross multiply
   2,245.48x = 3,100.17 × 1,449.21
4. Step 4: Simplify right side
   2,245.48x = 4,492,797.37
5. Step 5: Solve for x
   x = 4,492,797.37/2,245.48
6. Step 6: Final answer
   x = 2,000.82