Finding the Fourth Proportional to 925.25, 1,388.83 and 722.04

Step by Step Solution

1. Step 1: Write the proportion equation
   925.25 : 1,388.83 = 722.04 : x
2. Step 2: Convert to fraction form
   925.25/1,388.83 = 722.04/x
3. Step 3: Cross multiply
   925.25x = 1,388.83 × 722.04
4. Step 4: Simplify right side
   925.25x = 1,002,787.20
5. Step 5: Solve for x
   x = 1,002,787.20/925.25
6. Step 6: Final answer
   x = 1,083.80