Finding the Fourth Proportional to 2,892.69, 3,998.63 and 2,581.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.69 : 3,998.63 = 2,581.04 : x
2. Step 2: Convert to fraction form
   2,892.69/3,998.63 = 2,581.04/x
3. Step 3: Cross multiply
   2,892.69x = 3,998.63 × 2,581.04
4. Step 4: Simplify right side
   2,892.69x = 10,320,623.98
5. Step 5: Solve for x
   x = 10,320,623.98/2,892.69
6. Step 6: Final answer
   x = 3,567.83