Finding the Fourth Proportional to 2,045.04, 2,820.99 and 1,258.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.04 : 2,820.99 = 1,258.53 : x
2. Step 2: Convert to fraction form
   2,045.04/2,820.99 = 1,258.53/x
3. Step 3: Cross multiply
   2,045.04x = 2,820.99 × 1,258.53
4. Step 4: Simplify right side
   2,045.04x = 3,550,300.54
5. Step 5: Solve for x
   x = 3,550,300.54/2,045.04
6. Step 6: Final answer
   x = 1,736.05