Finding the Fourth Proportional to 2,046.92, 3,072.77 and 1,007.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.92 : 3,072.77 = 1,007.78 : x
2. Step 2: Convert to fraction form
   2,046.92/3,072.77 = 1,007.78/x
3. Step 3: Cross multiply
   2,046.92x = 3,072.77 × 1,007.78
4. Step 4: Simplify right side
   2,046.92x = 3,096,671.11
5. Step 5: Solve for x
   x = 3,096,671.11/2,046.92
6. Step 6: Final answer
   x = 1,512.84