Finding the Fourth Proportional to 1,456.83, 2,010.60 and 897.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.83 : 2,010.60 = 897.17 : x
2. Step 2: Convert to fraction form
   1,456.83/2,010.60 = 897.17/x
3. Step 3: Cross multiply
   1,456.83x = 2,010.60 × 897.17
4. Step 4: Simplify right side
   1,456.83x = 1,803,839.95
5. Step 5: Solve for x
   x = 1,803,839.95/1,456.83
6. Step 6: Final answer
   x = 1,238.20