Finding the Fourth Proportional to 1,682.27, 2,520.22 and 949.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682.27 : 2,520.22 = 949.62 : x
2. Step 2: Convert to fraction form
   1,682.27/2,520.22 = 949.62/x
3. Step 3: Cross multiply
   1,682.27x = 2,520.22 × 949.62
4. Step 4: Simplify right side
   1,682.27x = 2,393,251.32
5. Step 5: Solve for x
   x = 2,393,251.32/1,682.27
6. Step 6: Final answer
   x = 1,422.63