Finding the Fourth Proportional to 5,162.75, 7,124.56 and 2,804.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162.75 : 7,124.56 = 2,804.89 : x
2. Step 2: Convert to fraction form
   5,162.75/7,124.56 = 2,804.89/x
3. Step 3: Cross multiply
   5,162.75x = 7,124.56 × 2,804.89
4. Step 4: Simplify right side
   5,162.75x = 19,983,607.10
5. Step 5: Solve for x
   x = 19,983,607.10/5,162.75
6. Step 6: Final answer
   x = 3,870.73