Finding the Fourth Proportional to 5,162.25, 7,123.71 and 2,804.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162.25 : 7,123.71 = 2,804.34 : x
2. Step 2: Convert to fraction form
   5,162.25/7,123.71 = 2,804.34/x
3. Step 3: Cross multiply
   5,162.25x = 7,123.71 × 2,804.34
4. Step 4: Simplify right side
   5,162.25x = 19,977,304.90
5. Step 5: Solve for x
   x = 19,977,304.90/5,162.25
6. Step 6: Final answer
   x = 3,869.88