Finding the Fourth Proportional to 2,627.69, 3,940.79 and 983.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.69 : 3,940.79 = 983.03 : x
2. Step 2: Convert to fraction form
   2,627.69/3,940.79 = 983.03/x
3. Step 3: Cross multiply
   2,627.69x = 3,940.79 × 983.03
4. Step 4: Simplify right side
   2,627.69x = 3,873,890.17
5. Step 5: Solve for x
   x = 3,873,890.17/2,627.69
6. Step 6: Final answer
   x = 1,474.26