Finding the Fourth Proportional to 2,418.03, 3,626.55 and 774.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.03 : 3,626.55 = 774.12 : x
2. Step 2: Convert to fraction form
   2,418.03/3,626.55 = 774.12/x
3. Step 3: Cross multiply
   2,418.03x = 3,626.55 × 774.12
4. Step 4: Simplify right side
   2,418.03x = 2,807,384.89
5. Step 5: Solve for x
   x = 2,807,384.89/2,418.03
6. Step 6: Final answer
   x = 1,161.02