Finding the Fourth Proportional to 2,414.33, 3,621.76 and 770.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,414.33 : 3,621.76 = 770.49 : x
2. Step 2: Convert to fraction form
   2,414.33/3,621.76 = 770.49/x
3. Step 3: Cross multiply
   2,414.33x = 3,621.76 × 770.49
4. Step 4: Simplify right side
   2,414.33x = 2,790,529.86
5. Step 5: Solve for x
   x = 2,790,529.86/2,414.33
6. Step 6: Final answer
   x = 1,155.82