Finding the Fourth Proportional to 3,676.98, 5,514.87 and 1,079.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676.98 : 5,514.87 = 1,079.31 : x
2. Step 2: Convert to fraction form
   3,676.98/5,514.87 = 1,079.31/x
3. Step 3: Cross multiply
   3,676.98x = 5,514.87 × 1,079.31
4. Step 4: Simplify right side
   3,676.98x = 5,952,254.34
5. Step 5: Solve for x
   x = 5,952,254.34/3,676.98
6. Step 6: Final answer
   x = 1,618.79