Finding the Fourth Proportional to 2,691.83, 3,714.89 and 1,512.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,691.83 : 3,714.89 = 1,512.90 : x
2. Step 2: Convert to fraction form
   2,691.83/3,714.89 = 1,512.90/x
3. Step 3: Cross multiply
   2,691.83x = 3,714.89 × 1,512.90
4. Step 4: Simplify right side
   2,691.83x = 5,620,249.52
5. Step 5: Solve for x
   x = 5,620,249.52/2,691.83
6. Step 6: Final answer
   x = 2,087.89