Finding the Fourth Proportional to 1,077.27, 1,486.52 and 605.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077.27 : 1,486.52 = 605.10 : x
2. Step 2: Convert to fraction form
   1,077.27/1,486.52 = 605.10/x
3. Step 3: Cross multiply
   1,077.27x = 1,486.52 × 605.10
4. Step 4: Simplify right side
   1,077.27x = 899,490.23
5. Step 5: Solve for x
   x = 899,490.23/1,077.27
6. Step 6: Final answer
   x = 834.97