Finding the Fourth Proportional to 2,627.31, 3,940.97 and 983.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.31 : 3,940.97 = 983.82 : x
2. Step 2: Convert to fraction form
   2,627.31/3,940.97 = 983.82/x
3. Step 3: Cross multiply
   2,627.31x = 3,940.97 × 983.82
4. Step 4: Simplify right side
   2,627.31x = 3,877,180.48
5. Step 5: Solve for x
   x = 3,877,180.48/2,627.31
6. Step 6: Final answer
   x = 1,475.73