Finding the Fourth Proportional to 1,058.68, 1,460.17 and 810.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058.68 : 1,460.17 = 810.82 : x
2. Step 2: Convert to fraction form
   1,058.68/1,460.17 = 810.82/x
3. Step 3: Cross multiply
   1,058.68x = 1,460.17 × 810.82
4. Step 4: Simplify right side
   1,058.68x = 1,183,935.04
5. Step 5: Solve for x
   x = 1,183,935.04/1,058.68
6. Step 6: Final answer
   x = 1,118.31