Finding the Fourth Proportional to 2,449.35, 3,675.41 and 989.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.35 : 3,675.41 = 989.54 : x
2. Step 2: Convert to fraction form
   2,449.35/3,675.41 = 989.54/x
3. Step 3: Cross multiply
   2,449.35x = 3,675.41 × 989.54
4. Step 4: Simplify right side
   2,449.35x = 3,636,941.89
5. Step 5: Solve for x
   x = 3,636,941.89/2,449.35
6. Step 6: Final answer
   x = 1,484.86