Finding the Fourth Proportional to 1,046.07, 1,443.57 and 580.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.07 : 1,443.57 = 580.32 : x
2. Step 2: Convert to fraction form
   1,046.07/1,443.57 = 580.32/x
3. Step 3: Cross multiply
   1,046.07x = 1,443.57 × 580.32
4. Step 4: Simplify right side
   1,046.07x = 837,732.54
5. Step 5: Solve for x
   x = 837,732.54/1,046.07
6. Step 6: Final answer
   x = 800.84