Finding the Fourth Proportional to 2,934.50, 4,401.77 and 986.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,934.50 : 4,401.77 = 986.69 : x
2. Step 2: Convert to fraction form
   2,934.50/4,401.77 = 986.69/x
3. Step 3: Cross multiply
   2,934.50x = 4,401.77 × 986.69
4. Step 4: Simplify right side
   2,934.50x = 4,343,188.51
5. Step 5: Solve for x
   x = 4,343,188.51/2,934.50
6. Step 6: Final answer
   x = 1,480.05