Finding the Fourth Proportional to 2,713.98, 4,070.72 and 958.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.98 : 4,070.72 = 958.62 : x
2. Step 2: Convert to fraction form
   2,713.98/4,070.72 = 958.62/x
3. Step 3: Cross multiply
   2,713.98x = 4,070.72 × 958.62
4. Step 4: Simplify right side
   2,713.98x = 3,902,273.61
5. Step 5: Solve for x
   x = 3,902,273.61/2,713.98
6. Step 6: Final answer
   x = 1,437.84