Finding the Fourth Proportional to 2,966.16, 4,449.50 and 774.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,966.16 : 4,449.50 = 774.89 : x
2. Step 2: Convert to fraction form
   2,966.16/4,449.50 = 774.89/x
3. Step 3: Cross multiply
   2,966.16x = 4,449.50 × 774.89
4. Step 4: Simplify right side
   2,966.16x = 3,447,846.93
5. Step 5: Solve for x
   x = 3,447,846.93/2,966.16
6. Step 6: Final answer
   x = 1,162.39