Finding the Fourth Proportional to 2,007.22, 2,769.92 and 1,123.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.22 : 2,769.92 = 1,123.12 : x
2. Step 2: Convert to fraction form
   2,007.22/2,769.92 = 1,123.12/x
3. Step 3: Cross multiply
   2,007.22x = 2,769.92 × 1,123.12
4. Step 4: Simplify right side
   2,007.22x = 3,110,952.55
5. Step 5: Solve for x
   x = 3,110,952.55/2,007.22
6. Step 6: Final answer
   x = 1,549.88