Finding the Fourth Proportional to 2,456.27, 3,390.15 and 1,512.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.27 : 3,390.15 = 1,512.53 : x
2. Step 2: Convert to fraction form
   2,456.27/3,390.15 = 1,512.53/x
3. Step 3: Cross multiply
   2,456.27x = 3,390.15 × 1,512.53
4. Step 4: Simplify right side
   2,456.27x = 5,127,703.58
5. Step 5: Solve for x
   x = 5,127,703.58/2,456.27
6. Step 6: Final answer
   x = 2,087.60