Finding the Fourth Proportional to 2,514.02, 3,770.94 and 665.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,514.02 : 3,770.94 = 665.15 : x
2. Step 2: Convert to fraction form
   2,514.02/3,770.94 = 665.15/x
3. Step 3: Cross multiply
   2,514.02x = 3,770.94 × 665.15
4. Step 4: Simplify right side
   2,514.02x = 2,508,221.89
5. Step 5: Solve for x
   x = 2,508,221.89/2,514.02
6. Step 6: Final answer
   x = 997.70