Finding the Fourth Proportional to 2,934.05, 4,401.16 and 986.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,934.05 : 4,401.16 = 986.27 : x
2. Step 2: Convert to fraction form
   2,934.05/4,401.16 = 986.27/x
3. Step 3: Cross multiply
   2,934.05x = 4,401.16 × 986.27
4. Step 4: Simplify right side
   2,934.05x = 4,340,707.60
5. Step 5: Solve for x
   x = 4,340,707.60/2,934.05
6. Step 6: Final answer
   x = 1,479.43