Finding the Fourth Proportional to 1,676.72, 2,514.12 and 649.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.72 : 2,514.12 = 649.52 : x
2. Step 2: Convert to fraction form
   1,676.72/2,514.12 = 649.52/x
3. Step 3: Cross multiply
   1,676.72x = 2,514.12 × 649.52
4. Step 4: Simplify right side
   1,676.72x = 1,632,971.22
5. Step 5: Solve for x
   x = 1,632,971.22/1,676.72
6. Step 6: Final answer
   x = 973.91