Finding the Fourth Proportional to 2,042.72, 2,819.79 and 1,545.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.72 : 2,819.79 = 1,545.51 : x
2. Step 2: Convert to fraction form
   2,042.72/2,819.79 = 1,545.51/x
3. Step 3: Cross multiply
   2,042.72x = 2,819.79 × 1,545.51
4. Step 4: Simplify right side
   2,042.72x = 4,358,013.64
5. Step 5: Solve for x
   x = 4,358,013.64/2,042.72
6. Step 6: Final answer
   x = 2,133.44