Finding the Fourth Proportional to 2,624.05, 3,936.47 and 892.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.05 : 3,936.47 = 892.27 : x
2. Step 2: Convert to fraction form
   2,624.05/3,936.47 = 892.27/x
3. Step 3: Cross multiply
   2,624.05x = 3,936.47 × 892.27
4. Step 4: Simplify right side
   2,624.05x = 3,512,379.93
5. Step 5: Solve for x
   x = 3,512,379.93/2,624.05
6. Step 6: Final answer
   x = 1,338.54