Finding the Fourth Proportional to 2,257.47, 3,386.34 and 958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257.47 : 3,386.34 = 958.50 : x
2. Step 2: Convert to fraction form
   2,257.47/3,386.34 = 958.50/x
3. Step 3: Cross multiply
   2,257.47x = 3,386.34 × 958.50
4. Step 4: Simplify right side
   2,257.47x = 3,245,806.89
5. Step 5: Solve for x
   x = 3,245,806.89/2,257.47
6. Step 6: Final answer
   x = 1,437.81