Finding the Fourth Proportional to 2,056.46, 3,081.92 and 958.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.46 : 3,081.92 = 958.43 : x
2. Step 2: Convert to fraction form
   2,056.46/3,081.92 = 958.43/x
3. Step 3: Cross multiply
   2,056.46x = 3,081.92 × 958.43
4. Step 4: Simplify right side
   2,056.46x = 2,953,807.50
5. Step 5: Solve for x
   x = 2,953,807.50/2,056.46
6. Step 6: Final answer
   x = 1,436.36