Finding the Fourth Proportional to 2,892.45, 3,995.82 and 2,309.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.45 : 3,995.82 = 2,309.25 : x
2. Step 2: Convert to fraction form
   2,892.45/3,995.82 = 2,309.25/x
3. Step 3: Cross multiply
   2,892.45x = 3,995.82 × 2,309.25
4. Step 4: Simplify right side
   2,892.45x = 9,227,347.34
5. Step 5: Solve for x
   x = 9,227,347.34/2,892.45
6. Step 6: Final answer
   x = 3,190.15