Finding the Fourth Proportional to 1,222.43, 1,824.69 and 1,050.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222.43 : 1,824.69 = 1,050.20 : x
2. Step 2: Convert to fraction form
   1,222.43/1,824.69 = 1,050.20/x
3. Step 3: Cross multiply
   1,222.43x = 1,824.69 × 1,050.20
4. Step 4: Simplify right side
   1,222.43x = 1,916,291.10
5. Step 5: Solve for x
   x = 1,916,291.10/1,222.43
6. Step 6: Final answer
   x = 1,567.61