Finding the Fourth Proportional to 2,411.95, 3,618.33 and 768.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.95 : 3,618.33 = 768.37 : x
2. Step 2: Convert to fraction form
   2,411.95/3,618.33 = 768.37/x
3. Step 3: Cross multiply
   2,411.95x = 3,618.33 × 768.37
4. Step 4: Simplify right side
   2,411.95x = 2,780,216.22
5. Step 5: Solve for x
   x = 2,780,216.22/2,411.95
6. Step 6: Final answer
   x = 1,152.68