Finding the Fourth Proportional to 1,456.83, 2,010.85 and 867.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.83 : 2,010.85 = 867.76 : x
2. Step 2: Convert to fraction form
   1,456.83/2,010.85 = 867.76/x
3. Step 3: Cross multiply
   1,456.83x = 2,010.85 × 867.76
4. Step 4: Simplify right side
   1,456.83x = 1,744,935.20
5. Step 5: Solve for x
   x = 1,744,935.20/1,456.83
6. Step 6: Final answer
   x = 1,197.76