Finding the Fourth Proportional to 2,011.75, 3,015.18 and 958.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.75 : 3,015.18 = 958.15 : x
2. Step 2: Convert to fraction form
   2,011.75/3,015.18 = 958.15/x
3. Step 3: Cross multiply
   2,011.75x = 3,015.18 × 958.15
4. Step 4: Simplify right side
   2,011.75x = 2,888,994.72
5. Step 5: Solve for x
   x = 2,888,994.72/2,011.75
6. Step 6: Final answer
   x = 1,436.06