Finding the Fourth Proportional to 1,071.46, 1,478.55 and 605.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.46 : 1,478.55 = 605.71 : x
2. Step 2: Convert to fraction form
   1,071.46/1,478.55 = 605.71/x
3. Step 3: Cross multiply
   1,071.46x = 1,478.55 × 605.71
4. Step 4: Simplify right side
   1,071.46x = 895,572.52
5. Step 5: Solve for x
   x = 895,572.52/1,071.46
6. Step 6: Final answer
   x = 835.84