Finding the Fourth Proportional to 2,627.23, 3,940.96 and 983.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.23 : 3,940.96 = 983.61 : x
2. Step 2: Convert to fraction form
   2,627.23/3,940.96 = 983.61/x
3. Step 3: Cross multiply
   2,627.23x = 3,940.96 × 983.61
4. Step 4: Simplify right side
   2,627.23x = 3,876,367.67
5. Step 5: Solve for x
   x = 3,876,367.67/2,627.23
6. Step 6: Final answer
   x = 1,475.46