Finding the Fourth Proportional to 3,950.38, 5,446.83 and 2,621.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,950.38 : 5,446.83 = 2,621.98 : x
2. Step 2: Convert to fraction form
   3,950.38/5,446.83 = 2,621.98/x
3. Step 3: Cross multiply
   3,950.38x = 5,446.83 × 2,621.98
4. Step 4: Simplify right side
   3,950.38x = 14,281,479.32
5. Step 5: Solve for x
   x = 14,281,479.32/3,950.38
6. Step 6: Final answer
   x = 3,615.22