Finding the Fourth Proportional to 2,119.76, 3,178.29 and 950.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.76 : 3,178.29 = 950.12 : x
2. Step 2: Convert to fraction form
   2,119.76/3,178.29 = 950.12/x
3. Step 3: Cross multiply
   2,119.76x = 3,178.29 × 950.12
4. Step 4: Simplify right side
   2,119.76x = 3,019,756.89
5. Step 5: Solve for x
   x = 3,019,756.89/2,119.76
6. Step 6: Final answer
   x = 1,424.57