Finding the Fourth Proportional to 1,744.74, 2,407.78 and 958.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.74 : 2,407.78 = 958.79 : x
2. Step 2: Convert to fraction form
   1,744.74/2,407.78 = 958.79/x
3. Step 3: Cross multiply
   1,744.74x = 2,407.78 × 958.79
4. Step 4: Simplify right side
   1,744.74x = 2,308,555.39
5. Step 5: Solve for x
   x = 2,308,555.39/1,744.74
6. Step 6: Final answer
   x = 1,323.15