Finding the Fourth Proportional to 1,076.56, 1,622.72 and 984.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.56 : 1,622.72 = 984.22 : x
2. Step 2: Convert to fraction form
   1,076.56/1,622.72 = 984.22/x
3. Step 3: Cross multiply
   1,076.56x = 1,622.72 × 984.22
4. Step 4: Simplify right side
   1,076.56x = 1,597,113.48
5. Step 5: Solve for x
   x = 1,597,113.48/1,076.56
6. Step 6: Final answer
   x = 1,483.53