Finding the Fourth Proportional to 2,691.99, 3,714.88 and 1,513.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,691.99 : 3,714.88 = 1,513.06 : x
2. Step 2: Convert to fraction form
   2,691.99/3,714.88 = 1,513.06/x
3. Step 3: Cross multiply
   2,691.99x = 3,714.88 × 1,513.06
4. Step 4: Simplify right side
   2,691.99x = 5,620,836.33
5. Step 5: Solve for x
   x = 5,620,836.33/2,691.99
6. Step 6: Final answer
   x = 2,087.99