Finding the Fourth Proportional to 2,045.00, 2,821.86 and 1,160.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.00 : 2,821.86 = 1,160.78 : x
2. Step 2: Convert to fraction form
   2,045.00/2,821.86 = 1,160.78/x
3. Step 3: Cross multiply
   2,045.00x = 2,821.86 × 1,160.78
4. Step 4: Simplify right side
   2,045.00x = 3,275,544.54
5. Step 5: Solve for x
   x = 3,275,544.54/2,045.00
6. Step 6: Final answer
   x = 1,601.73