Finding the Fourth Proportional to 1,058.66, 1,460.72 and 610.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058.66 : 1,460.72 = 610.53 : x
2. Step 2: Convert to fraction form
   1,058.66/1,460.72 = 610.53/x
3. Step 3: Cross multiply
   1,058.66x = 1,460.72 × 610.53
4. Step 4: Simplify right side
   1,058.66x = 891,810.10
5. Step 5: Solve for x
   x = 891,810.10/1,058.66
6. Step 6: Final answer
   x = 842.39