Finding the Fourth Proportional to 2,509.89, 3,463.55 and 1,447.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,509.89 : 3,463.55 = 1,447.70 : x
2. Step 2: Convert to fraction form
   2,509.89/3,463.55 = 1,447.70/x
3. Step 3: Cross multiply
   2,509.89x = 3,463.55 × 1,447.70
4. Step 4: Simplify right side
   2,509.89x = 5,014,162.21
5. Step 5: Solve for x
   x = 5,014,162.21/2,509.89
6. Step 6: Final answer
   x = 1,997.76