Finding the Fourth Proportional to 2,562.02, 3,843.78 and 918.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.02 : 3,843.78 = 918.53 : x
2. Step 2: Convert to fraction form
   2,562.02/3,843.78 = 918.53/x
3. Step 3: Cross multiply
   2,562.02x = 3,843.78 × 918.53
4. Step 4: Simplify right side
   2,562.02x = 3,530,608.02
5. Step 5: Solve for x
   x = 3,530,608.02/2,562.02
6. Step 6: Final answer
   x = 1,378.06