Finding the Fourth Proportional to 2,076.62, 3,114.96 and 671.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.62 : 3,114.96 = 671.30 : x
2. Step 2: Convert to fraction form
   2,076.62/3,114.96 = 671.30/x
3. Step 3: Cross multiply
   2,076.62x = 3,114.96 × 671.30
4. Step 4: Simplify right side
   2,076.62x = 2,091,072.65
5. Step 5: Solve for x
   x = 2,091,072.65/2,076.62
6. Step 6: Final answer
   x = 1,006.96