Finding the Fourth Proportional to 3,626.46, 5,440.37 and 1,982.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,626.46 : 5,440.37 = 1,982.10 : x
2. Step 2: Convert to fraction form
   3,626.46/5,440.37 = 1,982.10/x
3. Step 3: Cross multiply
   3,626.46x = 5,440.37 × 1,982.10
4. Step 4: Simplify right side
   3,626.46x = 10,783,347.47
5. Step 5: Solve for x
   x = 10,783,347.47/3,626.46
6. Step 6: Final answer
   x = 2,973.52