Finding the Fourth Proportional to 1,456.98, 2,010.72 and 867.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.98 : 2,010.72 = 867.43 : x
2. Step 2: Convert to fraction form
   1,456.98/2,010.72 = 867.43/x
3. Step 3: Cross multiply
   1,456.98x = 2,010.72 × 867.43
4. Step 4: Simplify right side
   1,456.98x = 1,744,158.85
5. Step 5: Solve for x
   x = 1,744,158.85/1,456.98
6. Step 6: Final answer
   x = 1,197.11