Finding the Fourth Proportional to 2,772.86, 4,156.83 and 1,016.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,772.86 : 4,156.83 = 1,016.87 : x
2. Step 2: Convert to fraction form
   2,772.86/4,156.83 = 1,016.87/x
3. Step 3: Cross multiply
   2,772.86x = 4,156.83 × 1,016.87
4. Step 4: Simplify right side
   2,772.86x = 4,226,934.94
5. Step 5: Solve for x
   x = 4,226,934.94/2,772.86
6. Step 6: Final answer
   x = 1,524.40