Finding the Fourth Proportional to 1,305.98, 1,959.38 and 484.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,305.98 : 1,959.38 = 484.37 : x
2. Step 2: Convert to fraction form
   1,305.98/1,959.38 = 484.37/x
3. Step 3: Cross multiply
   1,305.98x = 1,959.38 × 484.37
4. Step 4: Simplify right side
   1,305.98x = 949,064.89
5. Step 5: Solve for x
   x = 949,064.89/1,305.98
6. Step 6: Final answer
   x = 726.71