Finding the Fourth Proportional to 2,508.92, 3,762.20 and 1,122.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.92 : 3,762.20 = 1,122.27 : x
2. Step 2: Convert to fraction form
   2,508.92/3,762.20 = 1,122.27/x
3. Step 3: Cross multiply
   2,508.92x = 3,762.20 × 1,122.27
4. Step 4: Simplify right side
   2,508.92x = 4,222,192.89
5. Step 5: Solve for x
   x = 4,222,192.89/2,508.92
6. Step 6: Final answer
   x = 1,682.87