Finding the Fourth Proportional to 1,058.10, 1,460.28 and 586.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058.10 : 1,460.28 = 586.03 : x
2. Step 2: Convert to fraction form
   1,058.10/1,460.28 = 586.03/x
3. Step 3: Cross multiply
   1,058.10x = 1,460.28 × 586.03
4. Step 4: Simplify right side
   1,058.10x = 855,767.89
5. Step 5: Solve for x
   x = 855,767.89/1,058.10
6. Step 6: Final answer
   x = 808.78