Finding the Fourth Proportional to 2,280.94, 3,420.04 and 892.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.94 : 3,420.04 = 892.62 : x
2. Step 2: Convert to fraction form
   2,280.94/3,420.04 = 892.62/x
3. Step 3: Cross multiply
   2,280.94x = 3,420.04 × 892.62
4. Step 4: Simplify right side
   2,280.94x = 3,052,796.10
5. Step 5: Solve for x
   x = 3,052,796.10/2,280.94
6. Step 6: Final answer
   x = 1,338.39