Finding the Fourth Proportional to 1,058.37, 1,460.42 and 616.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058.37 : 1,460.42 = 616.34 : x
2. Step 2: Convert to fraction form
   1,058.37/1,460.42 = 616.34/x
3. Step 3: Cross multiply
   1,058.37x = 1,460.42 × 616.34
4. Step 4: Simplify right side
   1,058.37x = 900,104.88
5. Step 5: Solve for x
   x = 900,104.88/1,058.37
6. Step 6: Final answer
   x = 850.46