Finding the Fourth Proportional to 2,267.78, 3,131.33 and 1,512.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.78 : 3,131.33 = 1,512.27 : x
2. Step 2: Convert to fraction form
   2,267.78/3,131.33 = 1,512.27/x
3. Step 3: Cross multiply
   2,267.78x = 3,131.33 × 1,512.27
4. Step 4: Simplify right side
   2,267.78x = 4,735,408.86
5. Step 5: Solve for x
   x = 4,735,408.86/2,267.78
6. Step 6: Final answer
   x = 2,088.13