Finding the Fourth Proportional to 2,691.98, 3,714.91 and 1,513.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,691.98 : 3,714.91 = 1,513.05 : x
2. Step 2: Convert to fraction form
   2,691.98/3,714.91 = 1,513.05/x
3. Step 3: Cross multiply
   2,691.98x = 3,714.91 × 1,513.05
4. Step 4: Simplify right side
   2,691.98x = 5,620,826.86
5. Step 5: Solve for x
   x = 5,620,826.86/2,691.98
6. Step 6: Final answer
   x = 2,087.99