Finding the Fourth Proportional to 1,096.02, 1,643.31 and 656.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.02 : 1,643.31 = 656.28 : x
2. Step 2: Convert to fraction form
   1,096.02/1,643.31 = 656.28/x
3. Step 3: Cross multiply
   1,096.02x = 1,643.31 × 656.28
4. Step 4: Simplify right side
   1,096.02x = 1,078,471.49
5. Step 5: Solve for x
   x = 1,078,471.49/1,096.02
6. Step 6: Final answer
   x = 983.99