Finding the Fourth Proportional to 2,713.59, 4,069.49 and 958.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.59 : 4,069.49 = 958.28 : x
2. Step 2: Convert to fraction form
   2,713.59/4,069.49 = 958.28/x
3. Step 3: Cross multiply
   2,713.59x = 4,069.49 × 958.28
4. Step 4: Simplify right side
   2,713.59x = 3,899,692.93
5. Step 5: Solve for x
   x = 3,899,692.93/2,713.59
6. Step 6: Final answer
   x = 1,437.10