Finding the Fourth Proportional to 1,046.24, 1,443.80 and 580.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.24 : 1,443.80 = 580.49 : x
2. Step 2: Convert to fraction form
   1,046.24/1,443.80 = 580.49/x
3. Step 3: Cross multiply
   1,046.24x = 1,443.80 × 580.49
4. Step 4: Simplify right side
   1,046.24x = 838,111.46
5. Step 5: Solve for x
   x = 838,111.46/1,046.24
6. Step 6: Final answer
   x = 801.07