Finding the Fourth Proportional to 2,522.84, 3,786.30 and 1,224.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.84 : 3,786.30 = 1,224.30 : x
2. Step 2: Convert to fraction form
   2,522.84/3,786.30 = 1,224.30/x
3. Step 3: Cross multiply
   2,522.84x = 3,786.30 × 1,224.30
4. Step 4: Simplify right side
   2,522.84x = 4,635,567.09
5. Step 5: Solve for x
   x = 4,635,567.09/2,522.84
6. Step 6: Final answer
   x = 1,837.44