Finding the Fourth Proportional to 2,045.05, 2,821.02 and 1,258.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.05 : 2,821.02 = 1,258.94 : x
2. Step 2: Convert to fraction form
   2,045.05/2,821.02 = 1,258.94/x
3. Step 3: Cross multiply
   2,045.05x = 2,821.02 × 1,258.94
4. Step 4: Simplify right side
   2,045.05x = 3,551,494.92
5. Step 5: Solve for x
   x = 3,551,494.92/2,045.05
6. Step 6: Final answer
   x = 1,736.63