Finding the Fourth Proportional to 1,648.03, 2,274.34 and 984.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.03 : 2,274.34 = 984.81 : x
2. Step 2: Convert to fraction form
   1,648.03/2,274.34 = 984.81/x
3. Step 3: Cross multiply
   1,648.03x = 2,274.34 × 984.81
4. Step 4: Simplify right side
   1,648.03x = 2,239,792.78
5. Step 5: Solve for x
   x = 2,239,792.78/1,648.03
6. Step 6: Final answer
   x = 1,359.07