Finding the Fourth Proportional to 2,443.89, 3,664.93 and 982.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.89 : 3,664.93 = 982.55 : x
2. Step 2: Convert to fraction form
   2,443.89/3,664.93 = 982.55/x
3. Step 3: Cross multiply
   2,443.89x = 3,664.93 × 982.55
4. Step 4: Simplify right side
   2,443.89x = 3,600,983.68
5. Step 5: Solve for x
   x = 3,600,983.68/2,443.89
6. Step 6: Final answer
   x = 1,473.46