Finding the Fourth Proportional to 2,012.46, 3,014.63 and 1,279.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.46 : 3,014.63 = 1,279.41 : x
2. Step 2: Convert to fraction form
   2,012.46/3,014.63 = 1,279.41/x
3. Step 3: Cross multiply
   2,012.46x = 3,014.63 × 1,279.41
4. Step 4: Simplify right side
   2,012.46x = 3,856,934.86
5. Step 5: Solve for x
   x = 3,856,934.86/2,012.46
6. Step 6: Final answer
   x = 1,916.53