Finding the Fourth Proportional to 2,155.25, 3,233.46 and 616.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.25 : 3,233.46 = 616.25 : x
2. Step 2: Convert to fraction form
   2,155.25/3,233.46 = 616.25/x
3. Step 3: Cross multiply
   2,155.25x = 3,233.46 × 616.25
4. Step 4: Simplify right side
   2,155.25x = 1,992,619.73
5. Step 5: Solve for x
   x = 1,992,619.73/2,155.25
6. Step 6: Final answer
   x = 924.54