Finding the Fourth Proportional to 2,709.38, 4,062.24 and 1,247.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709.38 : 4,062.24 = 1,247.73 : x
2. Step 2: Convert to fraction form
   2,709.38/4,062.24 = 1,247.73/x
3. Step 3: Cross multiply
   2,709.38x = 4,062.24 × 1,247.73
4. Step 4: Simplify right side
   2,709.38x = 5,068,578.72
5. Step 5: Solve for x
   x = 5,068,578.72/2,709.38
6. Step 6: Final answer
   x = 1,870.76