Finding the Fourth Proportional to 2,551.25, 3,520.73 and 1,447.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.25 : 3,520.73 = 1,447.25 : x
2. Step 2: Convert to fraction form
   2,551.25/3,520.73 = 1,447.25/x
3. Step 3: Cross multiply
   2,551.25x = 3,520.73 × 1,447.25
4. Step 4: Simplify right side
   2,551.25x = 5,095,369.26
5. Step 5: Solve for x
   x = 5,095,369.26/2,551.25
6. Step 6: Final answer
   x = 1,997.21