Finding the Fourth Proportional to 2,974.38, 4,462.77 and 1,329.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974.38 : 4,462.77 = 1,329.78 : x
2. Step 2: Convert to fraction form
   2,974.38/4,462.77 = 1,329.78/x
3. Step 3: Cross multiply
   2,974.38x = 4,462.77 × 1,329.78
4. Step 4: Simplify right side
   2,974.38x = 5,934,502.29
5. Step 5: Solve for x
   x = 5,934,502.29/2,974.38
6. Step 6: Final answer
   x = 1,995.21