Finding the Fourth Proportional to 1,962.42, 2,708.64 and 1,123.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.42 : 2,708.64 = 1,123.38 : x
2. Step 2: Convert to fraction form
   1,962.42/2,708.64 = 1,123.38/x
3. Step 3: Cross multiply
   1,962.42x = 2,708.64 × 1,123.38
4. Step 4: Simplify right side
   1,962.42x = 3,042,826.39
5. Step 5: Solve for x
   x = 3,042,826.39/1,962.42
6. Step 6: Final answer
   x = 1,550.55