Finding the Fourth Proportional to 2,934.30, 4,401.50 and 986.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,934.30 : 4,401.50 = 986.52 : x
2. Step 2: Convert to fraction form
   2,934.30/4,401.50 = 986.52/x
3. Step 3: Cross multiply
   2,934.30x = 4,401.50 × 986.52
4. Step 4: Simplify right side
   2,934.30x = 4,342,167.78
5. Step 5: Solve for x
   x = 4,342,167.78/2,934.30
6. Step 6: Final answer
   x = 1,479.80