Finding the Fourth Proportional to 2,458.89, 3,686.58 and 996.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.89 : 3,686.58 = 996.84 : x
2. Step 2: Convert to fraction form
   2,458.89/3,686.58 = 996.84/x
3. Step 3: Cross multiply
   2,458.89x = 3,686.58 × 996.84
4. Step 4: Simplify right side
   2,458.89x = 3,674,930.41
5. Step 5: Solve for x
   x = 3,674,930.41/2,458.89
6. Step 6: Final answer
   x = 1,494.55