Finding the Fourth Proportional to 2,958.78, 4,079.37 and 1,950.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,958.78 : 4,079.37 = 1,950.33 : x
2. Step 2: Convert to fraction form
   2,958.78/4,079.37 = 1,950.33/x
3. Step 3: Cross multiply
   2,958.78x = 4,079.37 × 1,950.33
4. Step 4: Simplify right side
   2,958.78x = 7,956,117.69
5. Step 5: Solve for x
   x = 7,956,117.69/2,958.78
6. Step 6: Final answer
   x = 2,688.99