Finding the Fourth Proportional to 2,627.06, 3,940.18 and 983.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.06 : 3,940.18 = 983.16 : x
2. Step 2: Convert to fraction form
   2,627.06/3,940.18 = 983.16/x
3. Step 3: Cross multiply
   2,627.06x = 3,940.18 × 983.16
4. Step 4: Simplify right side
   2,627.06x = 3,873,824.91
5. Step 5: Solve for x
   x = 3,873,824.91/2,627.06
6. Step 6: Final answer
   x = 1,474.59