Finding the Fourth Proportional to 2,522.16, 3,778.08 and 1,222.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.16 : 3,778.08 = 1,222.56 : x
2. Step 2: Convert to fraction form
   2,522.16/3,778.08 = 1,222.56/x
3. Step 3: Cross multiply
   2,522.16x = 3,778.08 × 1,222.56
4. Step 4: Simplify right side
   2,522.16x = 4,618,929.48
5. Step 5: Solve for x
   x = 4,618,929.48/2,522.16
6. Step 6: Final answer
   x = 1,831.34