Finding the Fourth Proportional to 2,429.98, 3,644.95 and 786.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.98 : 3,644.95 = 786.49 : x
2. Step 2: Convert to fraction form
   2,429.98/3,644.95 = 786.49/x
3. Step 3: Cross multiply
   2,429.98x = 3,644.95 × 786.49
4. Step 4: Simplify right side
   2,429.98x = 2,866,716.73
5. Step 5: Solve for x
   x = 2,866,716.73/2,429.98
6. Step 6: Final answer
   x = 1,179.73