Finding the Fourth Proportional to 2,008.10, 3,012.65 and 837.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.10 : 3,012.65 = 837.71 : x
2. Step 2: Convert to fraction form
   2,008.10/3,012.65 = 837.71/x
3. Step 3: Cross multiply
   2,008.10x = 3,012.65 × 837.71
4. Step 4: Simplify right side
   2,008.10x = 2,523,707.78
5. Step 5: Solve for x
   x = 2,523,707.78/2,008.10
6. Step 6: Final answer
   x = 1,256.77