Finding the Fourth Proportional to 2,300.46, 3,446.58 and 2,140.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.46 : 3,446.58 = 2,140.54 : x
2. Step 2: Convert to fraction form
   2,300.46/3,446.58 = 2,140.54/x
3. Step 3: Cross multiply
   2,300.46x = 3,446.58 × 2,140.54
4. Step 4: Simplify right side
   2,300.46x = 7,377,542.35
5. Step 5: Solve for x
   x = 7,377,542.35/2,300.46
6. Step 6: Final answer
   x = 3,206.99