Finding the Fourth Proportional to 2,627.42, 3,938.78 and 984.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.42 : 3,938.78 = 984.04 : x
2. Step 2: Convert to fraction form
   2,627.42/3,938.78 = 984.04/x
3. Step 3: Cross multiply
   2,627.42x = 3,938.78 × 984.04
4. Step 4: Simplify right side
   2,627.42x = 3,875,917.07
5. Step 5: Solve for x
   x = 3,875,917.07/2,627.42
6. Step 6: Final answer
   x = 1,475.18