Finding the Fourth Proportional to 2,044.05, 2,821.34 and 1,258.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,044.05 : 2,821.34 = 1,258.76 : x
2. Step 2: Convert to fraction form
   2,044.05/2,821.34 = 1,258.76/x
3. Step 3: Cross multiply
   2,044.05x = 2,821.34 × 1,258.76
4. Step 4: Simplify right side
   2,044.05x = 3,551,382.48
5. Step 5: Solve for x
   x = 3,551,382.48/2,044.05
6. Step 6: Final answer
   x = 1,737.42