Finding the Fourth Proportional to 2,490.36, 3,732.06 and 1,449.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.36 : 3,732.06 = 1,449.72 : x
2. Step 2: Convert to fraction form
   2,490.36/3,732.06 = 1,449.72/x
3. Step 3: Cross multiply
   2,490.36x = 3,732.06 × 1,449.72
4. Step 4: Simplify right side
   2,490.36x = 5,410,442.02
5. Step 5: Solve for x
   x = 5,410,442.02/2,490.36
6. Step 6: Final answer
   x = 2,172.55