Finding the Fourth Proportional to 3,569.35, 5,355.55 and 1,489.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,569.35 : 5,355.55 = 1,489.82 : x
2. Step 2: Convert to fraction form
   3,569.35/5,355.55 = 1,489.82/x
3. Step 3: Cross multiply
   3,569.35x = 5,355.55 × 1,489.82
4. Step 4: Simplify right side
   3,569.35x = 7,978,778.72
5. Step 5: Solve for x
   x = 7,978,778.72/3,569.35
6. Step 6: Final answer
   x = 2,235.36