Finding the Fourth Proportional to 2,449.98, 3,674.90 and 989.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.98 : 3,674.90 = 989.08 : x
2. Step 2: Convert to fraction form
   2,449.98/3,674.90 = 989.08/x
3. Step 3: Cross multiply
   2,449.98x = 3,674.90 × 989.08
4. Step 4: Simplify right side
   2,449.98x = 3,634,763.38
5. Step 5: Solve for x
   x = 3,634,763.38/2,449.98
6. Step 6: Final answer
   x = 1,483.59