Finding the Fourth Proportional to 2,892.20, 3,992.76 and 2,227.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.20 : 3,992.76 = 2,227.59 : x
2. Step 2: Convert to fraction form
   2,892.20/3,992.76 = 2,227.59/x
3. Step 3: Cross multiply
   2,892.20x = 3,992.76 × 2,227.59
4. Step 4: Simplify right side
   2,892.20x = 8,894,232.25
5. Step 5: Solve for x
   x = 8,894,232.25/2,892.20
6. Step 6: Final answer
   x = 3,075.25