Finding the Fourth Proportional to 5,162.57, 7,124.38 and 2,804.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162.57 : 7,124.38 = 2,804.71 : x
2. Step 2: Convert to fraction form
   5,162.57/7,124.38 = 2,804.71/x
3. Step 3: Cross multiply
   5,162.57x = 7,124.38 × 2,804.71
4. Step 4: Simplify right side
   5,162.57x = 19,981,819.83
5. Step 5: Solve for x
   x = 19,981,819.83/5,162.57
6. Step 6: Final answer
   x = 3,870.52