Finding the Fourth Proportional to 2,809.69, 4,181.31 and 2,716.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,809.69 : 4,181.31 = 2,716.25 : x
2. Step 2: Convert to fraction form
   2,809.69/4,181.31 = 2,716.25/x
3. Step 3: Cross multiply
   2,809.69x = 4,181.31 × 2,716.25
4. Step 4: Simplify right side
   2,809.69x = 11,357,462.38
5. Step 5: Solve for x
   x = 11,357,462.38/2,809.69
6. Step 6: Final answer
   x = 4,042.25