Finding the Fourth Proportional to 5,162.82, 7,124.46 and 2,804.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162.82 : 7,124.46 = 2,804.91 : x
2. Step 2: Convert to fraction form
   5,162.82/7,124.46 = 2,804.91/x
3. Step 3: Cross multiply
   5,162.82x = 7,124.46 × 2,804.91
4. Step 4: Simplify right side
   5,162.82x = 19,983,469.10
5. Step 5: Solve for x
   x = 19,983,469.10/5,162.82
6. Step 6: Final answer
   x = 3,870.65