Finding the Fourth Proportional to 5,162.29, 7,123.83 and 2,804.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162.29 : 7,123.83 = 2,804.38 : x
2. Step 2: Convert to fraction form
   5,162.29/7,123.83 = 2,804.38/x
3. Step 3: Cross multiply
   5,162.29x = 7,123.83 × 2,804.38
4. Step 4: Simplify right side
   5,162.29x = 19,977,926.38
5. Step 5: Solve for x
   x = 19,977,926.38/5,162.29
6. Step 6: Final answer
   x = 3,869.97