Finding the Fourth Proportional to 2,498.75, 3,748.31 and 959.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.75 : 3,748.31 = 959.75 : x
2. Step 2: Convert to fraction form
   2,498.75/3,748.31 = 959.75/x
3. Step 3: Cross multiply
   2,498.75x = 3,748.31 × 959.75
4. Step 4: Simplify right side
   2,498.75x = 3,597,435.72
5. Step 5: Solve for x
   x = 3,597,435.72/2,498.75
6. Step 6: Final answer
   x = 1,439.69