Finding the Fourth Proportional to 1,064.67, 1,469.28 and 592.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.67 : 1,469.28 = 592.61 : x
2. Step 2: Convert to fraction form
   1,064.67/1,469.28 = 592.61/x
3. Step 3: Cross multiply
   1,064.67x = 1,469.28 × 592.61
4. Step 4: Simplify right side
   1,064.67x = 870,702.67
5. Step 5: Solve for x
   x = 870,702.67/1,064.67
6. Step 6: Final answer
   x = 817.81