Finding the Fourth Proportional to 2,744.53, 4,116.86 and 989.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,744.53 : 4,116.86 = 989.68 : x
2. Step 2: Convert to fraction form
   2,744.53/4,116.86 = 989.68/x
3. Step 3: Cross multiply
   2,744.53x = 4,116.86 × 989.68
4. Step 4: Simplify right side
   2,744.53x = 4,074,362.48
5. Step 5: Solve for x
   x = 4,074,362.48/2,744.53
6. Step 6: Final answer
   x = 1,484.54