Finding the Fourth Proportional to 1,962.81, 2,708.37 and 1,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.81 : 2,708.37 = 1,123.50 : x
2. Step 2: Convert to fraction form
   1,962.81/2,708.37 = 1,123.50/x
3. Step 3: Cross multiply
   1,962.81x = 2,708.37 × 1,123.50
4. Step 4: Simplify right side
   1,962.81x = 3,042,853.70
5. Step 5: Solve for x
   x = 3,042,853.70/1,962.81
6. Step 6: Final answer
   x = 1,550.25