Finding the Fourth Proportional to 1,058.98, 1,460.79 and 616.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058.98 : 1,460.79 = 616.83 : x
2. Step 2: Convert to fraction form
   1,058.98/1,460.79 = 616.83/x
3. Step 3: Cross multiply
   1,058.98x = 1,460.79 × 616.83
4. Step 4: Simplify right side
   1,058.98x = 901,059.10
5. Step 5: Solve for x
   x = 901,059.10/1,058.98
6. Step 6: Final answer
   x = 850.87