Finding the Fourth Proportional to 2,713.40, 4,068.43 and 958.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.40 : 4,068.43 = 958.18 : x
2. Step 2: Convert to fraction form
   2,713.40/4,068.43 = 958.18/x
3. Step 3: Cross multiply
   2,713.40x = 4,068.43 × 958.18
4. Step 4: Simplify right side
   2,713.40x = 3,898,283.32
5. Step 5: Solve for x
   x = 3,898,283.32/2,713.40
6. Step 6: Final answer
   x = 1,436.68