Finding the Fourth Proportional to 1,046.23, 1,443.86 and 580.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.23 : 1,443.86 = 580.48 : x
2. Step 2: Convert to fraction form
   1,046.23/1,443.86 = 580.48/x
3. Step 3: Cross multiply
   1,046.23x = 1,443.86 × 580.48
4. Step 4: Simplify right side
   1,046.23x = 838,127.52
5. Step 5: Solve for x
   x = 838,127.52/1,046.23
6. Step 6: Final answer
   x = 801.09