Finding the Fourth Proportional to 2,892.38, 3,981.33 and 2,560.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.38 : 3,981.33 = 2,560.22 : x
2. Step 2: Convert to fraction form
   2,892.38/3,981.33 = 2,560.22/x
3. Step 3: Cross multiply
   2,892.38x = 3,981.33 × 2,560.22
4. Step 4: Simplify right side
   2,892.38x = 10,193,080.69
5. Step 5: Solve for x
   x = 10,193,080.69/2,892.38
6. Step 6: Final answer
   x = 3,524.12