Finding the Fourth Proportional to 2,646.38, 3,650.18 and 1,946.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646.38 : 3,650.18 = 1,946.54 : x
2. Step 2: Convert to fraction form
   2,646.38/3,650.18 = 1,946.54/x
3. Step 3: Cross multiply
   2,646.38x = 3,650.18 × 1,946.54
4. Step 4: Simplify right side
   2,646.38x = 7,105,221.38
5. Step 5: Solve for x
   x = 7,105,221.38/2,646.38
6. Step 6: Final answer
   x = 2,684.88