Finding the Fourth Proportional to 2,015.54, 3,024.49 and 1,126.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.54 : 3,024.49 = 1,126.82 : x
2. Step 2: Convert to fraction form
   2,015.54/3,024.49 = 1,126.82/x
3. Step 3: Cross multiply
   2,015.54x = 3,024.49 × 1,126.82
4. Step 4: Simplify right side
   2,015.54x = 3,408,055.82
5. Step 5: Solve for x
   x = 3,408,055.82/2,015.54
6. Step 6: Final answer
   x = 1,690.89