Finding the Fourth Proportional to 5,162.30, 7,123.94 and 2,804.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162.30 : 7,123.94 = 2,804.42 : x
2. Step 2: Convert to fraction form
   5,162.30/7,123.94 = 2,804.42/x
3. Step 3: Cross multiply
   5,162.30x = 7,123.94 × 2,804.42
4. Step 4: Simplify right side
   5,162.30x = 19,978,519.81
5. Step 5: Solve for x
   x = 19,978,519.81/5,162.30
6. Step 6: Final answer
   x = 3,870.08