Finding the Fourth Proportional to 2,627.81, 3,942.13 and 984.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.81 : 3,942.13 = 984.59 : x
2. Step 2: Convert to fraction form
   2,627.81/3,942.13 = 984.59/x
3. Step 3: Cross multiply
   2,627.81x = 3,942.13 × 984.59
4. Step 4: Simplify right side
   2,627.81x = 3,881,381.78
5. Step 5: Solve for x
   x = 3,881,381.78/2,627.81
6. Step 6: Final answer
   x = 1,477.04