Finding the Fourth Proportional to 2,650.52, 3,974.31 and 1,264.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.52 : 3,974.31 = 1,264.16 : x
2. Step 2: Convert to fraction form
   2,650.52/3,974.31 = 1,264.16/x
3. Step 3: Cross multiply
   2,650.52x = 3,974.31 × 1,264.16
4. Step 4: Simplify right side
   2,650.52x = 5,024,163.73
5. Step 5: Solve for x
   x = 5,024,163.73/2,650.52
6. Step 6: Final answer
   x = 1,895.54