Finding the Fourth Proportional to 5,162.46, 7,123.98 and 2,804.54

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162.46 : 7,123.98 = 2,804.54 : x
2. Step 2: Convert to fraction form
   5,162.46/7,123.98 = 2,804.54/x
3. Step 3: Cross multiply
   5,162.46x = 7,123.98 × 2,804.54
4. Step 4: Simplify right side
   5,162.46x = 19,979,486.87
5. Step 5: Solve for x
   x = 19,979,486.87/5,162.46
6. Step 6: Final answer
   x = 3,870.15