Finding the Fourth Proportional to 1,058.72, 1,456.68 and 1,034.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058.72 : 1,456.68 = 1,034.18 : x
2. Step 2: Convert to fraction form
   1,058.72/1,456.68 = 1,034.18/x
3. Step 3: Cross multiply
   1,058.72x = 1,456.68 × 1,034.18
4. Step 4: Simplify right side
   1,058.72x = 1,506,469.32
5. Step 5: Solve for x
   x = 1,506,469.32/1,058.72
6. Step 6: Final answer
   x = 1,422.92