Finding the Fourth Proportional to 2,652.78, 3,977.61 and 1,008.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,652.78 : 3,977.61 = 1,008.27 : x
2. Step 2: Convert to fraction form
   2,652.78/3,977.61 = 1,008.27/x
3. Step 3: Cross multiply
   2,652.78x = 3,977.61 × 1,008.27
4. Step 4: Simplify right side
   2,652.78x = 4,010,504.83
5. Step 5: Solve for x
   x = 4,010,504.83/2,652.78
6. Step 6: Final answer
   x = 1,511.81