Finding the Fourth Proportional to 1,550.56, 2,324.94 and 728.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.56 : 2,324.94 = 728.32 : x
2. Step 2: Convert to fraction form
   1,550.56/2,324.94 = 728.32/x
3. Step 3: Cross multiply
   1,550.56x = 2,324.94 × 728.32
4. Step 4: Simplify right side
   1,550.56x = 1,693,300.30
5. Step 5: Solve for x
   x = 1,693,300.30/1,550.56
6. Step 6: Final answer
   x = 1,092.06