Finding the Fourth Proportional to 1,456.77, 2,010.49 and 897.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.77 : 2,010.49 = 897.62 : x
2. Step 2: Convert to fraction form
   1,456.77/2,010.49 = 897.62/x
3. Step 3: Cross multiply
   1,456.77x = 2,010.49 × 897.62
4. Step 4: Simplify right side
   1,456.77x = 1,804,648.76
5. Step 5: Solve for x
   x = 1,804,648.76/1,456.77
6. Step 6: Final answer
   x = 1,238.80