Finding the Fourth Proportional to 2,845.28, 4,267.89 and 897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,845.28 : 4,267.89 = 897.50 : x
2. Step 2: Convert to fraction form
   2,845.28/4,267.89 = 897.50/x
3. Step 3: Cross multiply
   2,845.28x = 4,267.89 × 897.50
4. Step 4: Simplify right side
   2,845.28x = 3,830,441.94
5. Step 5: Solve for x
   x = 3,830,441.94/2,845.28
6. Step 6: Final answer
   x = 1,346.24