Finding the Fourth Proportional to 2,456.89, 3,685.95 and 897.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.89 : 3,685.95 = 897.75 : x
2. Step 2: Convert to fraction form
   2,456.89/3,685.95 = 897.75/x
3. Step 3: Cross multiply
   2,456.89x = 3,685.95 × 897.75
4. Step 4: Simplify right side
   2,456.89x = 3,309,061.61
5. Step 5: Solve for x
   x = 3,309,061.61/2,456.89
6. Step 6: Final answer
   x = 1,346.85