Finding the Fourth Proportional to 2,488.88, 3,732.12 and 1,449.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.88 : 3,732.12 = 1,449.20 : x
2. Step 2: Convert to fraction form
   2,488.88/3,732.12 = 1,449.20/x
3. Step 3: Cross multiply
   2,488.88x = 3,732.12 × 1,449.20
4. Step 4: Simplify right side
   2,488.88x = 5,408,597.63
5. Step 5: Solve for x
   x = 5,408,597.63/2,488.88
6. Step 6: Final answer
   x = 2,173.11