Finding the Fourth Proportional to 2,417.88, 3,627.38 and 774.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,417.88 : 3,627.38 = 774.43 : x
2. Step 2: Convert to fraction form
   2,417.88/3,627.38 = 774.43/x
3. Step 3: Cross multiply
   2,417.88x = 3,627.38 × 774.43
4. Step 4: Simplify right side
   2,417.88x = 2,809,144.76
5. Step 5: Solve for x
   x = 2,809,144.76/2,417.88
6. Step 6: Final answer
   x = 1,161.82