Finding the Fourth Proportional to 1,064.85, 1,469.42 and 592.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.85 : 1,469.42 = 592.71 : x
2. Step 2: Convert to fraction form
   1,064.85/1,469.42 = 592.71/x
3. Step 3: Cross multiply
   1,064.85x = 1,469.42 × 592.71
4. Step 4: Simplify right side
   1,064.85x = 870,936.96
5. Step 5: Solve for x
   x = 870,936.96/1,064.85
6. Step 6: Final answer
   x = 817.90