Finding the Fourth Proportional to 2,145.83, 3,218.33 and 1,049.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145.83 : 3,218.33 = 1,049.51 : x
2. Step 2: Convert to fraction form
   2,145.83/3,218.33 = 1,049.51/x
3. Step 3: Cross multiply
   2,145.83x = 3,218.33 × 1,049.51
4. Step 4: Simplify right side
   2,145.83x = 3,377,656.05
5. Step 5: Solve for x
   x = 3,377,656.05/2,145.83
6. Step 6: Final answer
   x = 1,574.06