Finding the Fourth Proportional to 2,607.28, 3,905.87 and 1,449.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.28 : 3,905.87 = 1,449.52 : x
2. Step 2: Convert to fraction form
   2,607.28/3,905.87 = 1,449.52/x
3. Step 3: Cross multiply
   2,607.28x = 3,905.87 × 1,449.52
4. Step 4: Simplify right side
   2,607.28x = 5,661,620.78
5. Step 5: Solve for x
   x = 5,661,620.78/2,607.28
6. Step 6: Final answer
   x = 2,171.47