Finding the Fourth Proportional to 1,744.73, 2,407.74 and 958.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.73 : 2,407.74 = 958.78 : x
2. Step 2: Convert to fraction form
   1,744.73/2,407.74 = 958.78/x
3. Step 3: Cross multiply
   1,744.73x = 2,407.74 × 958.78
4. Step 4: Simplify right side
   1,744.73x = 2,308,492.37
5. Step 5: Solve for x
   x = 2,308,492.37/1,744.73
6. Step 6: Final answer
   x = 1,323.12