Finding the Fourth Proportional to 2,355.54, 3,531.90 and 894.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.54 : 3,531.90 = 894.78 : x
2. Step 2: Convert to fraction form
   2,355.54/3,531.90 = 894.78/x
3. Step 3: Cross multiply
   2,355.54x = 3,531.90 × 894.78
4. Step 4: Simplify right side
   2,355.54x = 3,160,273.48
5. Step 5: Solve for x
   x = 3,160,273.48/2,355.54
6. Step 6: Final answer
   x = 1,341.63