Finding the Fourth Proportional to 2,460.67, 3,689.93 and 959.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.67 : 3,689.93 = 959.47 : x
2. Step 2: Convert to fraction form
   2,460.67/3,689.93 = 959.47/x
3. Step 3: Cross multiply
   2,460.67x = 3,689.93 × 959.47
4. Step 4: Simplify right side
   2,460.67x = 3,540,370.31
5. Step 5: Solve for x
   x = 3,540,370.31/2,460.67
6. Step 6: Final answer
   x = 1,438.78